Upgrade your 2015-2016 Chevy Duramax 6.6L with the PureFlow Raptor 4G RP-150 fuel system, a 150GPH (Gallon Per Hour) lift pump for moderately modified trucks. This system mounts to the frame jig in front of the fuel tank for a clean, professional installation. The suction line connects to the factory suction fitting on top of the fuel module, and the pressure side integrates with the factory injection pump feed line on the frame. Internally regulated with no return line needed, this pump simplifies setup while improving fuel flow. Perfect for modified Chevy Duramax engines, this kit includes all necessary components—check the installation manual for details.