2004.5-2007 Cummins 5.9L 5" Cat Back Single w/ Muffler (511101 / 512116) Material:Stainless 5-2010 Duramax LMM 4" Cat

5-2010 Duramax LMM 4" Cat Race Pipe (431026)

the LB7 Stealth 64  pushes the envelope to 640HP

Eliminate the weak link in your 6

The PPE Heavy-Duty DEEP A356

After cresting the top of hills

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!