FASS Fuel Systems Titanium Signature Series Diesel Fuel System 165GPH GM Duramax 6.6L 2015-2016 (TSC12165G) turbo 100% Drop in Replacement (Federal

100% Drop in Replacement (Federal Emissions vehicles ONLY

6L diesel engine with enough fuel for multiple fueling System upgrades

7L B Series Engines

2-Year Limited Warranty

1 Year Limited Parts Warranty

FASS Fuel Systems Titanium Signature Series Diesel Fuel System 165GPH GM Duramax 6.6L 2015-2016 (TSC12165G) turbo 100% Drop in Replacement (FederalFASS Fuel Systems Diesel System 2015 2016 GM Duramax LML 6. 6L Titanium Signature Series 165GPH (TSC12165G) Part No: TSC12165G A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesnt come with a factory System like other diesels. This requires your CP4 injection System to pull your fuel under a vacuum, adding additional stress to your CP4 System and risk introduce additional air into