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4L 4" Cat & DPF Race Pipe (421008)
2008-2010 Duramax LMM Dynomite Diesel Reman Injector 75HP 30% Over (DDPLMM-75)
3L IDI whether you're building a tow rig
Made from cast aluminum
Designed for 2001-2004 Duramax LB7 diesel engines
1994-1997.5 Powerstroke 7.3L 4" Turbo Back Exhaust w/ Muffler (421107) Material:Aluminized 4L 4" Cat & DPF1994 1997. 5 Powerstroke 7. 3L 4" Turbo Back Exhaust w Muffler (421107) 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!