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5-2010 Duramax LMM 4" Cat Race Pipe (431026)
Eliminate the weak link in your 6
The Delivery Valve Kit yields optimum pump output without replacing plungers and barrels
ARP tapered piston ring compressors are CNC-machined from 6061-T6 billet aluminum tube material and feature a true radius for each individual bore diameter
2004.5-2007 Cummins 5.9L 5" Cat Back Single w/ Muffler (511101 / 512116) Material:Stainless 5-2010 Duramax LMM 4" Cat2004. 5 2007 Cummins 5. 9L 5" Cat Back Single w Muffler (511101 512116) 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!