AUTOMOTIVE PARTS › Corsa Sport / 3.0 in Axle-Back 4.0 in Twin Tips | 2013-2014 Ford Mustang GT500 (14321) Corsa Sport / 3.0 in Axle-Back 4.0 in Twin Tips | 2013-2014 Ford Mustang GT500 (14321) $1,950.99 VEHICLE FITMENT 2013-2014 Ford Mustang Shelby GT500 5.8L V8 PRODUCT DESCRIPTION 3.0" Axle-Back, Dual Rear Exit with Twin 4.0" Polished Pro-Series Tips Sport Sound Level INSTALLATION 🗒️ Installation Instructions Looking for our 5.0L GT Quad (4) Tip Axle-Back? Add To Cart Added! VEHICLE FITMENT 2013-2014 Ford Mustang Shelby GT500 5.8L V8 PRODUCT DESCRIPTION 3.0" Axle-Back, Dual Rear Exit with Twin 4.0" Polished Pro-Series Tips Sport Sound Level INSTALLATION 🗒️ Installation Instructions Looking for our 5.0L GT Quad (4) Tip Axle-Back?