2011-2015 GM Duramax 2500/3500 4" Down Pipe Back w/o Muffler (C6044PLM) T5085 Designed for towing any size

Designed for towing any size load up to gross vehicle weight rating

View the CNAL401 Installation Sheet

View the C6126PLM Installation Instructions

4 required HP Tuners Universal Credits

2011-2015 GM Duramax 2500/3500 4" Down Pipe Back w/o Muffler (C6044PLM) T5085 Designed for towing any sizeIncrease 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