Sierra 2500 HD

Our FASS Signature Series Adjustable Diesel Fuel Pumps are designed to be the most versatile high performance fuel pump on the market that allows for adjustable fuel pressures to meet the demand of high performance GM Duramax 6.6L applications...

This is the Raptor-4G RP-100 fuel system for the 2001-2010 6.6L Duramax. This system mounts to the frame rail using the supplied sandwich plate mounting system. The suction line connects to the factory suction fitting on top of the fuel module. The...

The aFe intercooler tube represents the next generation of Diesel performance products. This intercooler tube produced 16hp and 49lbs. x ft. of torque on the dyno while outflowing the factory intercooler tube by 67%. Not only will you get increased...

This is the Raptor-4G RP-100 fuel system for the 2015-2016 6.6L Duramax. This system mounts to the frame jig in front of the fuel tank for a clean looking installation. The suction line connects to the factory suction fitting on top of the fuel module...

Upgrade your vehicle with Putco form-fitted stainless steel mud skins. These custom fit splash guards come in pairs for the front or rear. Our mud skins are manufactured with a heavy-duty 18 gauge stainless steel. These custom molded mud flaps contour to...

Mishimoto is expanding their line of Duramax performance parts! Mishimoto has developed a cold-side intercooler pipe and boot kit for the 2006-2010 6.6L Duramax. The factory pipe and boot do not stand a chance against the heat and pressure of your...

Mishimoto is proud to expand their line of Duramax performance parts to include a 6.6L Duramax Intercooler Pipe and Boot Kit. Improve the power and efficiency of your Duramax with the Mishimoto hot-side intercooler pipe and boot kit. The factory hot-side...

Mishimoto is expanding their line of Duramax performance parts! Fed up with high EGTs and an intercooler setup that isn't keeping up with the demands of your Duramax? The solution is finally here with the Mishimoto 2006-2010 Chevrolet/GMC 6.6L Duramax...

This is the Raptor-4G RP-150 fuel system for the 2001-2010 6.6L Duramax. This system mounts to the frame rail using the supplied sandwich plate mounting system. The suction line connects to the factory suction fitting on top of the fuel module. The...

Upgrade your vehicle with Putco form-fitted stainless steel mud skins. These custom fit splash guards come in pairs for the front or rear. Our mud skins are manufactured with a heavy-duty 18 gauge stainless steel. These custom molded mud flaps contour to...

Bushwacker Bed Rail and Tailgate Caps protect your bedrails and tailgate from the nicks, scratches, and dings that come with using your truck for what it's made for. CAD-engineered for a perfect fit and providing more coverage than factory caps, our...

Mishimoto is expanding their line of Duramax performance parts to include a performance intercooler for the 2006-2010 Chevrolet/GMC 6.6L Duramax. High intake and exhaust gas temperatures can reduce performance and potentially cause engine damage. Protect...