2004.5-2007 Cummins 5.9L 4" Cat Back Single w/ Muffler (411109) Cummins

2004.5-2007 Cummins 5.9L 4" Cat Back Single w/ Muffler (411109) Cummins2004. 5 2007 Cummins 5. 9L 4" Cat Back Single w Muffler (411109) 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!

The best part about the PPE Standard Xcelerator is that it will optimize a stock engine’s performance

With this exhaust system you can expect increased performance

Only recommended for 1

ARP head studs begin by being placed vertically into special racks and precisely heat-treated

Remanufactured injector set flowing at 20 percent over

Mel's delivers - horsepower you can hear

bolt-in IHI-style turbocharger

7L Cummins Engine the 900003 is the kit you need

2011-2016 Duramax LML PML Reman Cylinder Head Set of 2 (CH66D-LML-11-16)

with great drive ability around town

Ideal for single or compounded turbos installs

enough fuel to support 900 RWHP