American Thunder Master Shaft Return, 2011-2012 Mustang GT and GT500

American Thunder rear axle master flow, 2011-2012 Mustang GT and GT500 . Ford's 5.0-liter engine is back, delivering an incredible 412 Camaro-smoking horsepower. To match the factory reissue of the famous 5.0-liter nameplate, Flowmaster set about redesigning its American Thunder system to deliver that classic 5.0-liter sound, along with additional fuel economy and power. This new Flowmaster American Thunder shaft-back kit for the 2011 Ford Mustang features a pair of specially built stainless steel Classic Two-Chamber mufflers that provide a very deep and aggressive sound level and is suitable for the enthusiast who wants a distinctive and powerful exhaust note. The system is constructed from mandrel bent 3.00" diameter 409S stainless steel tubing for maximum durability and includes 4.00" diameter polished tips with embossed logo that exit through the factory rear valence cuts. A true bolt-on (Flowmaster engineers pride themselves on creating the finest fit-and-run exhaust systems available) it includes everything you need to easily install at home in your driveway using basic hand tools. As with all Flowmaster products, they are built in the USA and backed by our 10-year limited warranty. Noticeable horsepower and mileage gains. True bolt-on installation. 409S steel for maximum durability. Polished stainless tips with Flowmaster logo. Excellent sound performance

• Price: $ 469.97
• Brand: Flowmaster
• Product identification: 817496