FASS 2001-2010 Duramax 6.6L Titanium Signature Series - 290GPH Fuel Filter Fuel Air & Fuel the XWS-3002 will now be

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

Improved fuel volume delivery

This process ensures that your diesel engine is supplied with the purest diesel fuel possible

air pressure from your intake manifold raises fuel pressures while under full throttle

GM Duramax and Dodge Cummins

FASS 2001-2010 Duramax 6.6L Titanium Signature Series - 290GPH Fuel Filter Fuel Air & Fuel the XWS-3002 will now beFASS Diesel Fuel System 2001 2010 GM Duramax 6. 6L Titanium Signature Series 290Gph (TS C10 290G). A FASS Fuel System will be a very beneficial upgrade for your GM Duramax diesel engine, this is because your Duramax doesn't come with a factory lift pump like other diesels. This requires your CP3 CP4 injection pump to pull your fuel under a vacuum, adding additional stress to your CP3 CP4 Pump and risk introduce of additional air vapor into your fuel