2011-2015 Duramax LML 4" Downpipe Back Exhaust w/ Muffler (431016) Fuel Systems

2011-2015 Duramax LML 4" Downpipe Back Exhaust w/ Muffler (431016) Fuel Systems2011 2015 Duramax LML 4" Downpipe Back Exhaust w Muffler (431016) 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

The Fish Tuning L5P-17-19-CAN-B Can Bus Connector / Can Bus Plug is for the 2017-2019 6

more responsive driving experience

every component is built in-house to ensure it fits

ARP is the industry leader when it comes to fasteners and offers heavy-duty head studs for a wide variety of popular diesel applications

0L Powerstroke and the famous Garret Powermax

AEM's Wideband Controllers with X-Digital technology reduce deadtime and can improve the performance of your vehicle through more accurate AFR tuning

longevity and provide the stability needed for High Loads and RPM

9L Brand New Injector Set 100% Over (DDPN325-250)

It costs a lot more to do it this way

Each PowerHouse cylinder head undergoes a thorough remanufacturing process

Sold as a balanced & matched set

This gasket’s