JBA Performance Exhaust is now available at AmericanMuscle! We offer JBA Performance Exhaust Products for the 1987 to 2009+ Ford Mustang. AmericanMuscle has JBA Cat4ward® Shorty and Long Tube Headers as well as JBA catted and off road mid-pipe exhaust kits to keep your pony running strong. JBA Performance Mustang Exhaust products are constructed of stainless steel for long life and a great aggressive sound. And be sure to check out the whole range of Mustang Cat-back Exhaust and Mustang Headers that AmericanMuscle has to offer.