FASS 2015-2016 Duramax 6.6L Titanium Signature Series - 100GPH Fuel Tank Fuel Air & Fuel Properly installed

Properly installed

Decreases carbon monoxide and carbon dioxide emissions

the DRP series pump can be installed by any novice mechanic and installs into factory mounting points making it the easiest installation of any aftermarket lift pump

Improves Fuel Flow

effectively extending the life of both your Injection Pump and Injectors

FASS 2015-2016 Duramax 6.6L Titanium Signature Series - 100GPH Fuel Tank Fuel Air & Fuel Properly installedFASS Fuel Systems Diesel Lift Pump 2015 2016 GM Duramax Lml 6. 6L Titanium Signature Series 100GPH (TS C12 100G). 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 lift pump like other diesels. This requires your CP4 injection pump to pull your fuel under a vacuum, adding additional stress to your CP4 Pump and risk introduce additional air into your fuel.