Banks Power 20-21 Chevy/GMC 2500/3500 6.6L Monster Exhaust System - Black Tip 6.7 or if the water pump

or if the water pump is already off the truck you can measure the impeller

5" aluminized stainless steel constant-diameter DPF-back system with Patented negative backpressure SideKick tip

2017 Ram 3500 Tradesman

Removing the factory housing helps reduce maintenance costs

2007 Chevrolet Silverado 3500 HD WT

Banks Power 20-21 Chevy/GMC 2500/3500 6.6L Monster Exhaust System - Black Tip 6.7 or if the water pumpBanks Power introduces the new 5 inch Monster Exhaust designed specifically for the 2020 2021 GM 6. 6L Duramax L5P 2500 3500 HD pickup trucks. The DPF back exhaust system features constant diameter 5 inch mandrel bent Aluminized Steel tubing and a massive patented tip which virtually eliminates backpressure after the DPF and prevents trailer meltdown. Up The Flow With the stock exhaust nozzle measuring 2. 85 inch compared to the Monster Exhausts