Best Exhaust System For 6.7 Cummins

There is no single best exhaust system for 6.7 Cummins trucks, because diameter, muffler choice, and where the system starts all depend on how you use the truck. EngineGo carries turbo-back and downpipe-back systems for Ram 2500 and 3500 applications, most bundled with delete hardware and tuning, in 4 inch and 5 inch layouts. A 4 inch run suits stock and lightly modified trucks, while 5 inch gives room on higher output builds. Send your year, model, cab style, and how the truck is built and we will give you a straight recommendation.