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GM Duramax 6.6L Down-pipe Back Race Exhaust (2001-2007)

GM Duramax 6.6L Down-pipe Back Race Exhaust (2001-2007)

This 4" race exhaust starts at the downpipe and allows removal of the catalytic converter and DPF filter from the exhaust system for off-road
 
*Off-road use only. Requires race tuning

  • 2001, 2002, 2003, 2004, 2005, 2006, 2007 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax LB7 / LLY / LBZ pickup trucks. Will not fit Cab & Chassis trucks. 

    • 4" or 5" stainless steel piping 
    • Downpipe-Back Race Exhaust System
    • OE style hangers for easy installation
    • Maximum flow for competition applications
    • No bungs
    • Increases Fuel Efficiency
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