Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit uses all factory mounting locations and comes with a bolt-on bracket that supports the driverside tailpipe. This provides for a quick, hassle-free installation with no modification necessary. 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.
Single To Dual Exhaust Conversion:
This exhaust is designed to convert the standard single exhaust into an aggressive dual exhaust.
All systems use factory mounting locations providing stability and hassle-free installation.
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 4" 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 are dual high luster, polished 304 stainless steel slash-cut tips. The tips feature a drain port on the bottom to keep rust and corrosion away.
This item does not fit 2016 3500HD models equipped with NOX Sensor
This product does not require a CARB EO#
All aFe exhaust systems are engineered and manufactured in our Corona, California facility.
Year Make Model SubModel Engine Fuel 2011-2016 Chevrolet Silverado 2500 HD Duramax V8 6.6L (td) Diesel 2011-2016 Chevrolet Silverado 3500 HD Duramax V8 6.6L (td) Diesel 2011-2016 GMC Sierra 2500 HD Duramax V8 6.6L (td) Diesel 2011-2016 GMC Sierra 3500 HD Duramax V8 6.6L (td) Diesel
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