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Using only three parts (a laser-welded sealed housing
Cummins/Duramax PPE Heavy Duty Aluminum Rear Differential Cover (138051010)
P-Series Rod Bearings use hardened steel back for added strength
WHY RESPONSE TIME MATTERS
300 RWHP and above
2011-2019 Powerstroke 6.7L Cab & Chassis 4" Downpipe Back Exhaust No Muffler (421017) Material:Aluminized Using only three parts (a2011 2019 Powerstroke 6. 7L Cab & Chassis 4" Downpipe Back Exhaust No Muffler (421017) 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!