Transform your 1964 - 1966 Ford Mustang with the MagnaFlow Street Series Crossmember - Back Performance Exhaust System 15815! • Enhanced Engine Performance: Dyno - proven to boost your 2.8L, 3.3L, 4.3L, 4.7L Mustang's power. • Deep Resonant Sound: Enjoy our signature exhaust note at moderate exterior and mild interior sound levels. • Durable Stainless Steel: Corrosion - resistant design for long - lasting use on any road. This exhaust kit features a crossmember - back layout, 2.5in. mandrel - bent main piping, 2 straight - through mufflers, and 2.75in. polished welded - on single - wall turndown cut edge tips. It's a direct - fit design, easy to install, and backed by MagnaFlow's limited lifetime construction warranty. Fits 1964 - 1966 Ford Mustang Base, 1965 - 1966 Shelby GT - 350, and 1966 Shelby GT - 350H models.













































Use this exhaust system when you want to enhance your classic Ford Mustang's performance and sound on the street or track. It's perfect for Mustang enthusiasts who love to customize their cars. The main piping is 2.5 inches in diameter, and the tips are 2.75 inches. It's made of durable stainless steel, so it can handle tough road conditions.