2015.5-2016 Duramax LML P1 4" Race Pipe Kit - No Muffler (CGMS9429) 2007.5 - 2009 Dodge Transmission & Drivetrains Dualoy Diesel pistons are cast

Dualoy Diesel pistons are cast and machined in-house to maintain the highest level of quality and consistency

Front and Rear

Gen 5 LT1 Premium

9L Brand New Injector Set 90HP 30% Over (DDPN325-90)

TBN booster is also infused with our FR3 Friction Reducer

2015.5-2016 Duramax LML P1 4" Race Pipe Kit - No Muffler (CGMS9429) 2007.5 - 2009 Dodge Transmission & Drivetrains Dualoy Diesel pistons are cast2015. 5 2016 Duramax LML P1 4" Race Pipe Kit No Muffler (CGMS9429) Stay at the top on race day in your 2015. 5 2016 Chevy GMC 2500 3500 HD with the P1 Performance Products CGMS9429 4" race pipe. P1 Performance Products Race Pipe is built from Stainless Steel and comes complete with OE style hangers and clamps for an easy installation.