CORSA 14314 Stainless Steel Xtreme Axle-Back Exhaust System Kit with 4" Pro-Series Tips for Ford Mustang GT/Ford Shelby GT500 Dual walled design protects against heat distortion Adorned with high definition, precision laser engraved CORSA logo CORSA Performance tip kits are designed to fit directly to CORSA exhaust systems Premium Stainless Steel Construction Clamp-On Tip Design