2007-2009 Cummins 6.7L 5" Turbo Back Single w/ Muffler (511001 / 512001)2007 2009 Cummins 6. 7L 5" Turbo Back Single w Muffler (511001 512001) 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! Features:

With a greater volume of fuel available to it

9L Stage 1 Injector Set (DDP9498-1)

Priority main oiling system feeds main bearings first

625” bore)

Cab & Chassis

As boost pressure increases

2-3 times a year I get calls from customers that have lash starting to get loose on the last 3 cylinders

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

they drastically reduce the amount of heat available to the engine and typically require tuning or don't work well in cold climates

Perfect factory fit with better-than-factory performance

Mahle gives you OE form

7L Dynomite Diesel Brand New Stock Injector (DDPNFD67-STK)