Borla 60513 X-Pipe for 2011 2013 Mustang GT, Shelby, Boss

These Borla X-pipes will not only increase the amount of power that your vehicle produces, but they will also give your vehicle a more aggressive exhaust note. Borla X-pipes are built from lightweight, aircraft-grade T-304 stainless steel and are the perfect complement to their cat-back and header systems.