Sinister Diesel

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...

Sinister Manufacturing and Sinister Diesel have created an Exhaust Gas Recirculation (EGR) cooler that looks and fits exactly like your Powerstroke factory stock EGR, but we removed something...

The 5.9L Cummins Coolant Filter Kit from Sinister Diesel is designed to extend the service life of your 2003-2007 Dodge 2500 or 3500 diesel by removing contaminants that can damage your engine.Even...

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 2003-07 Dodge Cummins 5.9L cold air intake...

Add some durability and style to your truck using these Sinister Diesel 03-07 Powerstroke billet cap! Unlike the OEM oil and filter caps, these won’t crack from overtightening or just the passing of...

The Sinister Diesel Coolant Filter Oil Filter Kit for 6.0L Ford Powerstroke is designed to extend the service life of your fluids by keeping both your oil and coolant free from tiny contaminants that...

The easy 30 minute install of the new updated "Blue Spring" will increase your fuel pressure back up to where it should be from the factory. Most 6.0's see an increase of 10 psi of fuel pressure. The...

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 the moving air much faster. The issue with a...

Sinister Diesel Intercooler Charge Pipes for Ford TrucksThe Sinister Diesel Cold Side Charge Pipe Kit for the Powerstroke 6.0L connects the intercooler to the intake. This upgraded pipe is larger in...