2013-2018 Cummins 6.7L Cab & Chassis 4" DPF Race Pipe (411033 / 411037)2013 2018 Cummins 6. 7L Cab & Chassis 4" DPF Race Pipe (411033 411037) 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 Mel's system. For powerhouse performance, Mel's delivers horsepower you can hear!

2 year unlimited mile warranty

That means more top-end power without sacrificing driveability

040″ if cutting grooves in only one (head or block) with a

Note: Required custom tuning for 2004

which can cause cast tappets to fracture

Key Features & Benefits

2013-2024 Cummins Dirty CCV Delete Kit (I67-ENG-A108)

motor mounts

Whether you’re running a competition engine or breaking in a daily driver

7L Powerstroke diesels

No Returns and No Warranty

Backed by Expertise: Engineered and tested by Hamilton