Sinister Diesel is your one-stop shop for Ford, Chevy, GMC, and Dodge diesel performance parts. They are also the number one source for Diesel Racing Components, Exhaust Systems, Tuners, Ford Powerstroke, Dodge Cummins, and GM Duramax engine repair parts, upgraded EGR coolers, lighting, bumpers, grilles, and suspension components. Based in Northern California. Sinister Diesel's goal is and always will be to build the best quality Diesel Performance Products for your Ford, Dodge, and GM Trucks.