Interested in a new exhaust system for your LMM Duramax? 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. 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.
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 2007-2010 Chevrolet Silverado 2500 HD (LMM) Duramax Turbo Diesel V8 6.6L Diesel 2007-2010 GMC Sierra 2500 HD (LMM) Duramax Turbo Diesel V8 6.6L Diesel 2007-2010 Chevrolet Silverado 3500 HD (LMM) Duramax Turbo Diesel V8 6.6L Diesel 2007-2010 GMC Sierra 3500 HD (LMM) Duramax Turbo Diesel V8 6.6L Diesel
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