Introducing MRT "MaxFlow" H-Pipe available for the 2005-2010 Mustang GT, the only mid-pipe exhaust system on the market with that muscular sound all performance enthusiasts love. The MRT H-Pipe deepens your exhaust note and improves the flow of exhaust gases by maximizing mid-pipe system volume. The MRT MaxFlow H-Pipe is made of the highest grade 304 stainless steel, making it light-weight and durable for years to come. This system includes bell-mouth flanges for a leak free seal. Catalytic Converters are NOT included. All MRT H-Pipe exhaust systems feature CNC mandrel-bent tubing to guarantee precise, factory-caliber fit. Installation of the MRT H-Pipe is simple and drill-free. The MRT MaxFlow H-Pipe Exhaust clamps-on directly in place of the factory mid-pipe exhaust. Please note that all MRT H-Pipes are custom systems intended for performance use. We make no claim of compliance with local, state or federal emissions standards. Please take the steps to learn about regulations in your area and use on main roads at your own risk. NOTE: The MRT MaxFlow H-Pipe for 2005-2010 Mustangs require the purchase of one O2 Extention