Doug’s Headers all began in 1958 as a small muffler shop in California and has grown into one of the most respected names in the automotive aftermarket industry today. And now AmericanMuscle offers a wide selection of Doug's Headers and exhaust parts to improve the performance of your Fox, SN95, New Edge, and S197 Ford Mustang. And be sure to check out all the exhaust systems AmericanMuscle has to offer your Ford Mustang.