FASS Titanium Signature Series Diesel Fuel System (70-75 PSI)GM Duramax 6.6L 2020-22 Capacity:140 gph FASS Whisper Technology (FWT) was

FASS Whisper Technology (FWT) was engineered to meet the stringent demands of today's quiet diesel engines

For KF-1039 and KF-1039D

Gently rinse out the Cleaner using low pressure water

the unique design makes installation quick and simple for even beginner mechanics

FASS Whisper Technology was in development and testing for over two and a half years to meet FASS Fuel System's high quality and durability standards

FASS Titanium Signature Series Diesel Fuel System (70-75 PSI)GM Duramax 6.6L 2020-22 Capacity:140 gph FASS Whisper Technology (FWT) wasThe Titanium Signature Series diesel fuel system was engineered by FASS Fuel Systems to be the top performing, longest lasting and most reliable aftermarket filtration system in the diesel industry. Backed by our limited lifetime warranty the Titanium Signature Series System is capable of supporting your GM Duramax 6. 6L diesel engine with enough fuel for multiple fueling system upgrades. A Titanium Signature Series System also offers advanced