Interested in a new exhaust system for your 6.7L Cummins? Check out the Large Bore-HD DPF-Back exhaust system by aFe. This system is constructed from 5" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit uses all factory mounting locations to provide a quick, hassle-free installation. Also included in this exhaust system is a massive 6" polished 304 stainless steel tip with a laser-cut stainless steel aFe power badge. Large Bore-HD exhaust systems are the perfect combination of performance, fit and value.
All systems use factory mounting locations providing stability and hassle-free installation.
High quality OE-style flange and band clamps are used for a complete 360 degree sealing surface.
OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time.
Flow and Performance:
This Large Bore-HD exhaust system is constructed of 5" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.
Finishing off the exhaust is a high luster, polished 304 stainless steel slash-cut exhaust tip. This tip features a drain port on the bottom to keep rust and corrosion away.
All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.