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

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...

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,...

100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. Paired opposite firing cylinders with equal,...

If you want to ensure maximum protection for your GM diesel engine's fuel system, then be sure to check out this upgraded Duramax fuel filter. Instead of a the factory fuel filter, the Sinister...