Quick view Details Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM MSRP: $635.00 Now: $615.95 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY MSRP: $685.00 Now: $664.45 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO MSRP: $160.00 Now: $155.20 View Details Compare Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Details Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM MSRP: $464.00 Now: $450.08 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100718-CAT Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Cat Yellow - WCF100718-CAT Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100718-CRO Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Chevy Orange - WCF100718-CRO Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100718-FTB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Fine Texture Black - WCF100718-FTB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100718-GM Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Gun Metal - WCF100718-GM Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $635.00 Now: $615.95 View Details Compare Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100718-IBB Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - Illusion Blueberry - WCF100718-IBB Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100718-GRY Wehrli 17-19 Duramax L5P Stage 1 High Flow Bundle Kit - WCFab Grey - WCF100718-GRY Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory... MSRP: $685.00 Now: $664.45 View Details Compare Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100441-DG Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Deore Gold - WCF100441-DG The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100441-IBB Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - Illusion Blueberry - WCF100441-IBB The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100441-GRY Wehrli 17-19 Duramax L5P Stage 2 High Flow Bundle Kit - WCFab Grey - WCF100441-GRY The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,600.00 Now: $1,552.00 View Details Compare Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100403-BR Wehrli 17-19 Duramax L5P Stage 3 High Flow Bundle Kit - Bengal Red - WCF100403-BR The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure... MSRP: $1,799.00 Now: $1,745.03 View Details Compare Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected × OK
Quick view Wehrli | sku: WCFWCF100742-CRO Wehrli 17-19 Duramax L5P Upper Coolant Pipe - Chevy Orange - WCF100742-CRO Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the following GM Part Numbers: 84094878This Part... MSRP: $160.00 Now: $155.20 View Details Compare Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected
Quick view Wehrli | sku: WCFWCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze - WCF100113-CSTM Wehrli 17-19 Duramax/Cummins AAM 11.5 in. Rear Diff Cover - Whiskey Bronze MSRP: $464.00 Now: $450.08 View Details Compare Previous 114 115 116 117 118 119 120 121 122 123 124 Next Previous 114 115 116 117 118 119 120 121 122 123 124 Next Compare Selected