The PureFlow Raptor 4G RP-100 fuel system is designed for 2015-2016 Chevy Duramax 6.6L engines, offering 100GPH (Gallon Per Hour) for stock trucks. This system mounts to the frame jig in front of the fuel tank for a clean installation. The suction line connects to the factory suction fitting on top of the fuel module, and the pressure side feeds into the factory injection pump feed line on the frame. Internally regulated with no return line required, this pump ensures an easy setup process. Maintain reliable fuel delivery in your stock Chevy Duramax with this kit—refer to the installation manual for a complete list of included parts.