Flowmaster Sound.The Flowmaster American Thunder Catback exhaust system with its mandrel bent tubing will improve your 1998 GT or Cobra 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 with 2.5" diameter OEM style polished stainless steel tips for muscle car looks and sound.
Fitment. This Flowmaster American Thunder Catback exhaust system is designed to fit the 1998 GT or SVT Cobra Mustangs for both great looks and great sound.