2011-2015 GM Duramax 2500/3500 4" Down Pipe Back w/o Muffler (C6044PLM) T5085 View the C6126PLM Installation Instructions

View the C6126PLM Installation Instructions

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Sport Economy Tune

4 required HP Tuners Universal Credits

+ 30 ft-lbs torque

2011-2015 GM Duramax 2500/3500 4" Down Pipe Back w/o Muffler (C6044PLM) T5085 View the C6126PLM Installation InstructionsIncrease your 2011 2015 Chevy GMC 2500 3500 6. 6L Duramax's fuel efficiency, reduce maintenance expenses, extend engine longevity, and enhance performance with the C6044PLM 4" down pipe back exhaust kit from P1 Race Products. Made from cost effective aluminized steel, this exhaust kit provides exceptional value for your investment. Look to make a statement with this no muffler kit offering maximum flow and performance. Features Made in Canada Direct