2011-2018 Cummins 6.7L Cab & Chassis 5" Turbo Back Single w/ Muffler (511011 / 512011)2011 2018 Cummins 6. 7L Cab & Chassis 5" Turbo Back Single w Muffler (511011 512011) 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!

Do you have a 15/16 Super Duty and want to Install a NEW Turbocharger

Uncontrolled fueling of the engine is extremely dangerous

Made from high-quality cast A356

this switch is not limited to just an exhaust brake

5 - 2010 GMC Duramax 6

Uses standard small block parts

Does not require additional ZDDP additives

7L EZ LYNK SOTF CCV Switch (FTCUMMINSTITAN)

Final Check: Retorque at least once more before subjecting the engine to full load or high RPM

Ported anti-surge compressor cover

Installation Guidelines

Muffler Included