2003-2004 Cummins 5.9L 5" Turbo Back Single Exhaust No Muffler (511020 / 512017)2003 2004 Cummins 5. 9L 5" Turbo Back Single Exhaust w Muffler (511019 512016) 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!

Manufacturer's Part Number: S42170

9L 5x25 Dual Feed Injector Set (DDP9498-5X25DF)

Offering 2

Recommended Injectors: 30% to 100% with twin pumps

enough fuel to support 650 RWHP

The PPE Race Fuel Valve

7L KC Warlock Retrofit Turbo Kit

Excellent low cost drag and circle track racing oil

or running more aggressive cams

Socket Size: 5/8 12pt

This wheel is not only bigger but much stronger

We modified the the compressor housing to fit our upgraded 64mm compressor wheel