Sinister Diesel

Sinister Diesel Universal AR-15 Exhaust Tip (5in to 6in)

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...

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

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

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...

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 Diesel20-21 GM Duramax L5P 6.6L Coolant Filtration System (W/ Wix)