2011-2015 Duramax LML P1 4" Race Pipe (CGMS9426) 2003 - 2007 Dodge Transmissions & Drivetrains The studs are manufactured from

The studs are manufactured from 8740 chrome-moly steel

which can lead to carbon buildup

OEM Part Number: BC3Z9J460C | DPFE20

The kit includes everything you need for an easy

9L Brand New Injector Set 150% Over (DDPN305-350)

2011-2015 Duramax LML P1 4" Race Pipe (CGMS9426) 2003 - 2007 Dodge Transmissions & Drivetrains The studs are manufactured from2011 2015 Duramax LML P1 4" Race Pipe (CGMS9426) Stay at the top on race day in your 2011 2015 Chevy GMC 2500 3500 HD with the P1 Performance Products CGMS9426 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.