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2005 Gmc Sierra 2500 Duramax V8 Fass Fuel System

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The truck won't run without fuel, so a FASS fuel system delivers fuel, not air, to the Duramax.  It also assures consistent engine performance, gives easier and quicker starts, delivers excellent cold-weather performance, and extends fuel-filter life, and the GMC has a smoother idle and quicker throttle response than it did when stock.  The addition of the FASS fuel system made the GMC feel like a different truck!
2005 Sierra 2500 Duramax V8 - CRE GMC

The truck won't run without fuel, so a FASS fuel system delivers fuel, not air, to the Duramax. It also assures consistent engine performance, gives easier and quicker starts, delivers excellent cold-weather performance, and extends fuel-filter life, and the GMC has a smoother idle and quicker throttle response than it did when stock. The addition of the FASS fuel system made the GMC feel like a different truck!  View Related Article