top of page
GM Duramax 6.6L Downpipe-Back Race Exhaust 2011-2015

GM Duramax 6.6L Downpipe-Back Race Exhaust 2011-2015

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

  • 2011, 2012, 2013, 2014, 2015 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax pickup trucks. Will not fit Cab & Chassis trucks.

    Does not fit late model 2015s with 3 bolt flange

    • Stainless steel piping 
    • Available in 4" or 5"
    • OE style hangers for easy installation
    • Straight-through design for maximum exhaust flow
    • Maximum flow for competition applications
    • No bungs
No Reviews YetShare your thoughts. Be the first to leave a review.
bottom of page