2011-2015 Duramax LML 5" Downpipe Back Exhaust No Muffler (531006)2011 2015 Duramax LML 5" Downpipe Back Exhaust No Muffler (531006) 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! IMPORTANT NOTE: The turbo direct

Standard 9

Uncontrolled fueling of the engine is extremely dangerous

SAC Nozzles at 150 percent over with injector body modifications for added fuel delivery

High-Quality Casting: Built to handle intense stress and heat cycles

Includes 1-way shipping

the MAHLE 224-3451WR

030 (224-3708WR

Recommended applications include small block

Injectors capable of supporting up to 625 RWHP with proper supporting modifications

Garrett F250/350 turbo for those who prefer to keep things stock

We have torture tested it for longevity

Dodge 03-04 Injector Set: Brand New injectors at 15 percent over