2007.5-2010 Duramax LMM Cab & Chassis 4" Cat Back Race Pipe w/ Muffler (431012) 2006.5 - 2007 GM EGR Upgrade These kits will only fit

These kits will only fit models equipped with v-band clamp and will not work for trucks equiped with the 3-bolt flange off the turbo direct pipe

7L Powerstroke

650 ppm—the optimal range for flat tappet cams

This updated version also adds an additional row of oil passageways for greater heat dissipation

2007.5-2010 Duramax LMM Cab & Chassis 4" Cat Back Race Pipe w/ Muffler (431012) 2006.5 - 2007 GM EGR Upgrade These kits will only fit2007. 5 2010 Duramax LMM Cab & Chassis 4" Cat Back Race Pipe w Muffler (431012) Constructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Flo~Pro system. For powerhouse performance, Flo~Pro delivers horsepower you can hear!