GM Duramax 6.6L Downpipe-Back Race Exhaust (2011-2015) Accessories The Cummins 6

The Cummins 6

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GM Duramax 6.6L Downpipe-Back Race Exhaust (2011-2015) Accessories The Cummins 6Overview This exhaust system enables the removal of both the catalytic converter and the DPF filter, making it ideal for off road use. Fitment Information This 4" race exhaust system is designed to fit 2011 through 2015 Chevrolet Silverado and GMC Sierra 2500 & 3500HD models with the 6. 6L Duramax engine. Note Not compatible with Cab & Chassis trucks. Not compatible with late 2015 models featuring a 3 Bolt Flange Key Features High grade stainless