2020-2023 Duramax L5P 5" Downpipe Back Exhaust w/ Muffler (531016)2020 2023 Duramax L5P 5" Downpipe Back Exhaust w Muffler (531016) 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: These kits will

2010-2022 Duramax Mean Green High Output Alternator (MG1234)

you need something built for the long haul

Easy Installation: Use red Loctite and torque the bolt to 44 ft-lbs for a reliable hold

6L Duramax on the road for the long haul

Part Type: Main Bearing Sets

Recommended for stock and mildly upgraded vehicles

These hoses are excellent for everyday driving

leak-free seal against the manifold and turbo

Pilot Hole Technology - These injectors use a SAC 5 Hole + 2 Pilot nozzle

Not recommended for towing

6L Duramax LB7/LLY/LBZ/LMM/LML with an ARP Diesel Head Stud Kit 230-4201 from OCDiesel

but they are very costly upgrades