Sinister Diesel 2003-2007 Dodge/Ram Cummins 5.9L Cold Air Intake (Gray) - SDG-CAI-5.9C-04

Q: I know it is stronger and looks better, but doesn't aluminum conduct more heat than plastic? A: On a technical standpoint, aluminum would be a little more subject to the heat because it is metal, but, it is thin walled tubing, and would also dissipate...

Sinister Diesel Pre-Filter Sock for Cold Air Intake - SD-UPFS-01-20

As we all know, when it comes to Diesel trucks, More Air Plus More Fuel = More Power! But if your air filter gets clogged with dirt and debris, your power will suffer. With the Sinister Diesel Pre-Filter Sock you can add an extra layer of defense to...

Sinister Diesel Cold Air Intake 13-16 Chevy / GMC Duramax 6.6L LML - SD-CAI-LML-13

Q: I know it is stronger and looks better, but doesn't aluminum conduct more heat than plastic? A: On a technical standpoint, aluminum would be a little more subject the heat because it is metal, but, it is thin walled tubing, and would also dissipate...

Sinister Diesel Cold Air Intake 11-12 Chevy / GMC Duramax 6.6L LML - SD-CAI-LML-11

Q: I know it is stronger and looks better, but doesn't aluminum conduct more heat than plastic? A: On a technical standpoint, aluminum would be a little more subject the heat because it is metal, but, it is thin walled tubing, and would also dissipate...

Sinister Diesel Cold Air Intake 04.5-05 Chevy / GMC Duramax 6.6L LLY - SD-CAI-LLY

Patent Pending, CARB EO # PENDING; CURRENTLY NOT FOR SALE IN THE STATE OF CALIFORNIAThis Part Fits:YearMakeModelSubmodel2004-2005ChevroletSilverado 2500 HDBase2004-2005ChevroletSilverado 2500 HDLS2004-2005ChevroletSilverado 2500...

Sinister Diesel Cold Air Intake 01-04 Chevy / GMC Duramax 6.6L LB7 - SD-CAI-LB7

The more air you can get to your truck's engine the better and more efficiently it runs, and factory air intakes just can't stand up to the Sinister Diesel 2001-04 Duramax 6.6L cold air intake in this regard. This cold air intake kIt'significantly...

Sinister Diesel 4in ID 10in Tall Replacement Air Filter - SD-CAI-FILTER

Sinister Diesel Universal Replacement Filter (4" Inner Diameter)

Sinister Diesel 99.5-03 Ford 7.3L Powerstroke Cold Air Intake - SD-CAI-7.3

Q: I know it is stronger and looks better, but doesn't aluminum conduct more heat than plastic?, A: From a technical standpoint, aluminum will conduct heat a little better because it is metal, but the thin walled tubing allows the heat to dissipate from...

Sinister Diesel 20-21 Ford Powerstroke 6.7L Cold Air Intake - SD-CAI-6.7P-20

Sinister Diesel Cold Air Intake for 2020-2021 Ford Powerstroke 6.7L.

Sinister Diesel 2017+ Ford Powerstroke 6.7L Cold Air Intake - SD-CAI-6.7P-17

Diesel engines are simple: air and fuel make power, so with a cold air intake, the more air you get into your engine, the more power you can make. The Sinister Diesel 2011-16 Powerstroke 6.7L cold air intake (CAI) feeds your engine more air than the...

Sinister Diesel 11-16 Ford Powerstroke 6.7L Cold Air Intake - SD-CAI-6.7P-11

Sinister Diesel Cold Air Intake for 2011-2016 Ford Powerstroke 6.7LThis Part Fits:YearMakeModelSubmodel2011-2016FordF-250 Super DutyKing Ranch2011-2016FordF-250 Super DutyLariat2013-2016FordF-250 Super DutyPlatinum2011-2016FordF-250 Super...

Sinister Diesel 2019 Dodge/Ram Cummins 6.7L Cold Air Intake - SD-CAI-6.7C-19

Sinister Diesel 2019 Dodge/Ram Cummins 6.7L Cold Air Intake - Tuning RequiredThis Part Fits:YearMakeModelSubmodel2019-2020Ram2500Big Horn2019-2020Ram2500Laramie2019-2020Ram2500Laramie Longhorn2019-2020Ram2500Limited2019-2020Ram2500Lone...