2003-2004 Cummins 5.9L 4" Turbo Back Single Exhaust w/ Muffler (411032 / 412032)2003 2004 Cummins 5. 9L 4" Turbo Back Single Exhaust w Muffler (411032 412032) 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!

Compatible with Most Diesel Oils: Mixes seamlessly with your preferred high-quality diesel lubricants

7x7 wheel with extended tip technology

better vanes

proven its capability on the dyno

this results in far less deposits and wear on all fuel system components

Dodge 03-04 Injector Set: Brand New injector set with no core charge flowing at 150 percent over with body modifications

and less EBP than anything else on the market

For the Steel version you will need at least two bushings installed in the cam tunnel

enough fuel to support up to 400 RWHP

7L is supplied with the cleanest possible air

it’s made from cast A356

Gator Fasteners Heavy Duty Head Studs are design to hold up to the pressure of your 6