FASS 2015-2016 Duramax 6.6L Titanium Signature Series - 100GPH Fuel Tank Fuel Air & Fuel Decreases carbon monoxide and carbon

Decreases carbon monoxide and carbon dioxide emissions

tighter tolerances on all gears and a high-quality military Spec'd Coating over the aluminum base

and all other particulates down to 2 microns absolute

effectively extending the life of both your Injection Pump and Injectors

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

FASS 2015-2016 Duramax 6.6L Titanium Signature Series - 100GPH Fuel Tank Fuel Air & Fuel Decreases carbon monoxide and carbonFASS 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.