Sinister Diesel

The Sinister Diesel Billet Fuel Plug/Cap for the 2013-2017 Cummins is a stylish and durable option to keep dirt and moisture from entering your fuel tank. The factory uses a small, flimsy plastic...

The high-performance stainless steel exhaust systems from Sinister Diesel are designed to maximize your 2013-2018 Ram 6.7 Cummins truck's horsepower and deliver more torque to the wheels without any...

The Sinister Diesel Coolant Filer Bypass system takes approximately 2 hours for installation. Installation time may vary based on experience.; Q:.Why do I need a Coolant Filtration system?, A:.From...

Patent Pending, CARB EO # PENDING; CURRENTLY NOT FOR SALE IN THE STATE OF CALIFORNIAThis Part Fits:YearMakeModelSubmodel2013-2019Ram2500Big Horn2013-2019Ram2500Laramie2014-2015Ram2500Laramie...

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 2013-2018 Dodge Cummins 6.7L cold air...

The oil system in your engine is crucial to the trucks performance and life. Keeping your oil clean is what it all comes down to and this 6.7L Cummins Oil Bypass Kit from Sinister Diesel is designed...

This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoir for the 2013-2019 Dodge Ram 2500...

Sinister Diesel 17+ Ford Powerstroke F250/F350 6.7L Billet Catch Can

Sinister Diesel 17-18 Ford F250/F350 6.7L Contamination Kit

CARB EO # PENDING, PATENT PENDING, It is not for sale in the state of California., Maximize the performance and efficiency of your 2017 through 2020 Ford 6.7L PowerStroke V-8 by replacing the stock,...

Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and cooler will last longer. This kit is designed to bypass and filter small amounts of...

This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits Sinister Coolant Reservoirs for 2017-2019 Powerstroke engines. It is made...

Sinister Diesel 5" Exhaust (Filter Back) for 2017-2020 Ford F250/350/450 6.7L.

Sinister Diesel Cold Side Charge Pipe for 2017-2021 Ford Powerstroke 6.7L (Gray).

Sinister Diesel Coolant Reservoir (Degas) for 2017-2021 Ford Powerstroke 6.7L.