2016-2019 Nissan Cummins 5.0L 5" Downpipe Back Exhaust No Muffler (541002)2016 2019 Nissan Cummins 5. 0L 5" Downpipe Back Exhaust No Muffler (541002) 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!

2006-2010 Duramax LLY/LBZ/LMM Mahle Set of 4 Pistons w/ Rings Left Bank -

This is the biggest and baddest drop in Low Pressure 6

5" Valves w/ Seats (07-h-006i) replacement valves over OEM 1

500 RPM—especially with a high-lift camshaft—our Performance Valve Spring Retainers are a must

Get peace of mind and upgrade your problematic factory oil cooler with an updated and improved PPE Oil Cooler

Oil Recommendations

4L Powerstroke or Navistar Maxx Force 7

000 HP: Proven performance in extreme power applications

you can damage the pump and cause extremely poor idle quality

2006-2010 Duramax LLY/LBZ/LMM Mahle Set of 4 Pistons w/ Rings Left Bank - Standard (224-3709WR)

you can prevent carbon buildup which can lead to a host of issues

The DOD system in LT engines aims to improve fuel efficiency by deactivating half of the engine’s cylinders during light load conditions