FASS 15-16 GM 2500/3500 Duramax 165gph Titanium Series Fuel Air Separation System TS C12 165G fits_2012-2020`Chevrolet`Corvette DFS780 Fuel Pump (Boost Activated)

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FASS 15-16 GM 2500/3500 Duramax 165gph Titanium Series Fuel Air Separation System TS C12 165G fits_2012-2020`Chevrolet`Corvette DFS780 Fuel Pump (Boost Activated)FASS 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 doesn't 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