Flowmaster Sound . The Flowmaster American Thunder Catback exhaust system with its mandrel bent tubing will improve your 1987-1993 GT Mustangs exhaust flow for an increase in power, and their included Super 44 Series Mufflers will improve your exhausts sound for a deeper throatier muscle car exhaust note.
Quality Construction. Constructed from mandrel bent 2.5" 16 gauge aluminized steel tubing for it's corrosion resistant properties the Flowmaster American Thunder catback features Super 44 Series chambered mufflers for that classic muscle car sound.
Fitment. This Flowmaster American Thunder Catback exhaust system is designed specifically for the 1987 to 1993 GT Mustangs for both great a fit and great sound.
1987, 1988, 1989, 1990, 1991, 1992, 1993 Details >>