Engine Performance

Flow and Performance:Smooth transitions in the mandrel-bent aluminum tubing decrease turbulence and minimize pressure loss, increasing horsepower and torque.Perfect Fit:This tube kit includes high quality, stainless steel, spring loaded T-bolt clamps for...

Factory coolant hose "T" fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's Performance Silicone Coolant Hose Kit.Perfect for...

Factory coolant hose "T" fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's Performance Silicone Coolant Hose Kit.Perfect for...

Factory coolant hose "T" fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's Performance Silicone Coolant Hose Kit.Perfect for...

These heavy duty intake boots are Four Ply Silicone and won't crack or split like the factory rubber boots.Features:Heavy Duty High Temperature Four Ply Silicone BootsEvery boot/hose that Sinister manufactures is designed to exceed factory...

Flow and Performance:The intercooler tube is constructed of 3-1/2"aluminum tubing for maximum flow then powder-coated wrinkle-black for heat and corrosion resistance. The larger diameter tubing provides 20% greater airflow over stock intercooler tube...

This is the Raptor-4G RP-150 fuel system for the 2011-2014 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...

Flow and Performance:The intercooler tubes are constructed of 3" mandrel bent aluminum tubing for maximum flow then powder-coated wrinkle-black for heat and corrosion resistance. The smooth bends and larger diameter tubing allow for low turbulence,...

End Tanks:The unique BladeRunner end tanks are constructed out of 3/16'' TIG-Welded aluminum plates.3" Bar and Plate Core Design:The use of the bar and plate core design allows for greater airflow.Billet Aluminum Inlet/Outlets:This BladeRunner...

Once you've installed an aftermarket Fuel Filtration System such as our FASS Titanium Series, the use of the factory fuel filter is no longer required and can be removed. Because your Duramax factory fuel filter is located after our filtration System you...

A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax 6.6L diesel engine, this is because your Duramax doesn't come with a factory System like other diesels. This requires your CP3 injection System to pull your fuel under a vacuum, adding...

A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesn't come with a factory System like other diesels. This requires your CP3 injection System to pull your fuel under a vacuum, adding...