Sinister Diesel Steering Box Support for 13-19 Dodge 2500/3500 - Blue - SD-DSBS13-01-20

The Sinister Diesel steering box support helps to eliminate the wobble and steering play that is common in the Dodge pickups. This kit includes all of the hardware that you will need to do the...

Sinister Diesel Turbo Coolant Feed Line for 2011-2016 Ford Powerstroke 6.7L - SD-TURB-COOL-6.7P

The Sinister Diesel Turbo Coolant Feed Line addresses one of the most common failures of the cooling system in the 6.7L Powerstroke. The feed line that provides cooling to the turbocharger can often...

Sinister Diesel Universal AR Exhaust Tip (4in to 5in) - SD-EXHST-AR-4-5

The perfect way to complement all the upgrades to your diesel truck's exhaust system is with a Sinister Diesel exhaust tip. Because this Sinister Diesel AR-15 exhaust tip has a universal fit, it will...

Sinister Diesel Universal AR-15 Exhaust Tip (4in to 6in) - SD-EXHST-AR-4-6

Give your diesel truck the right kind of aggressive look using this AR-15 exhaust tip from Sinister Diesel! The AR-15 has been trusted by the US military and police in all kinds of environments,...

Sinister Diesel Universal Black Ceramic Coated Stainless Steel Exhaust Tip (4in to 5in) - SD-4-5-BLK

Give your truck a more aggressive look with this Sinister Diesel black exhaust tip. It has a simple, aftermarket appearance that will make your Powerstroke, Cummins, or Duramax truck appear more...

Sinister Diesel Universal Black Ceramic Coated Stainless Steel Exhaust Tip (5in to 6in) - SD-5-6-BLK

Easily upgrade the looks of your diesel truck's exhaust system using this ceramic coated exhaust tip from Sinister Diesel. It works with Duramax, Cummins, and Powerstroke diesel exhaust systems,...

Sinister Diesel Universal Coolant Filtration System - SD-COOLFIL-UNIV

The Sinister Diesel Universal Coolant Filter Kit is designed to extend the service life of your Duramax, Powerstroke, or Cummins-powered diesel truck by removing dangerous contaminants and deposits...

Sinister Diesel Universal Fuel Tank Sump Kit - SD-UFS-02-20

When you start modifying your diesel powered truck for more power, you'll quickly find that the stock fuel pickup tube is inadequate. And on many Duramax, Cummins, and Powerstroke setups, your lift...

Sinister Diesel Universal Polished 304 Stainless Steel Exhaust Tip (4in to 5in) - SD-4-5-POL

If you're looking to add the aggressive look of an aftermarket diesel exhaust to your diesel truck on a budget, Sinister Diesel provides a great selection of exhaust tips that will definitely get...

Sinister Diesel Universal Polished 304 Stainless Steel Exhaust Tip (5in to 6in) - SD-5-6-POL

If you're looking to add the aggressive look of an aftermarket diesel exhaust to your diesel truck on a budget, Sinister Diesel provides a great selection of exhaust tips that will definitely get...

Sinister P1 Innovations 2003-2007 Ford Powerstroke Head Stud Kit - P160

Sinister P1 Innovations 2003-2007 Ford Powerstroke Head Stud Kit