AFE LARGE BORE HD 3" DPF-BACK EXHAUST SYSTEM (POLISHED TIP) Cold Engine Backdown – Enable/Disable

Cold Engine Backdown – Enable/Disable

Includes Huge Polished Chrome Patented SideKick tip

Testing with the California Air Resources Board

It also features an external reservoir with increased oil volume for cooler operating temperature

AFE LARGE BORE HD 3" DPF-BACK EXHAUST SYSTEM (POLISHED TIP) Cold Engine Backdown – Enable/DisableAFE 49 44085 LARGE BORE HD 5" FILTER BACK EXHAUST SYSTEM 2017 2019 GM 6. 6L DURAMAX L5P (ALL CREW CABS) Maximize exhaust flow in your 2017 2019 GM 6. 6L Duramax L5P with the AFE 49 44085 Large Bore HD 5" Filter Back Exhaust System. Constructed from 5" mandrel bent T409 stainless steel, this exhaust system uses a high quality band clamps and OE style bayonet hangers for secure fitment. Designed to utilize all factory mounting locations, this system