Looking for an upgrade from your stock exhaust system? Check out the AFE 49-44089 Rebel XD 4 Inch Filter Back Exhaust. This high-quality aftermarket exhaust is designed to give your Duramax a boost in performance and looks.

The Rebel XD features stainless steel construction and high-quality band clamps and OE style bayonet hangers for a durable, long-lasting installation. The 5" diameter intercooled tip gives your truck a tough,aggressive look. And the best part is that it's designed to bolt right on to your existing factory mounting points- no cutting or welding required!