The Fass TSC10250G Titanium Signature Series 250gph Fuel System is the perfect way to increase efficiency, performance, and extend the life of your fuel system and injectors. This whisper-quiet fuel system comes with a 3 micron filtration rating, 30K mile filter life expectancy, and an optional electric heater for those cold starts. Plus, the fuel pressure gauge port lets you keep an eye on your system's pressure at all times. Duramax 2001-2016 models will see the biggest benefits from this top-of-the-line fuel system.