FASS 2017-2019 Duramax 6.6L Titanium Signature Series - 220GPH Fuel Pressure Regulator Fuel Air & Fuel This requires your CP3/CP4 injection

This requires your CP3/CP4 injection pump to pull your fuel under a vacuum

the XWS-3002 will now be placed on the pressure side of the pump and the PF-3001 will be placed on the suction side

A FASS Fuel System will be a very beneficial upgrade for your GM Duramax diesel engine

7L diesel engine with enough fuel for 0-1000 HP aggressive tuning and high-performance fuel system upgrades

FASS 2017-2019 Duramax 6.6L Titanium Signature Series - 220GPH Fuel Pressure Regulator Fuel Air & Fuel This requires your CP3/CP4 injectionFASS Titanium Signature Series Diesel Fuel Lift Pump 220Gph 17 19 Duramax L5P (TS C13 220G). WARNING! This system is designed for the 2017 2019 L5P Duramax WITH AFTERMARKET TUNING!! If the truck is not equipped with an aftermarket tune and the ability to delete specific codes, the vehicle will have a MIL after the FASS installation. Consult with your calibration supplier prior to the FASS installation to confirm they are able to delete specific