Flowmaster FlowFX Cat-Back Exhaust System 409 Stainless Steel 2-1/2” Mustang GT 1987-1993
Highlights
- Moderate Yet Aggressive Tone
- 16-Gauge 409 Stainless Steel
- Increases Exhaust Pulse
- Uses Factory Hanger Locations
Flowmaster FlowFX 2.5” 409 Stainless Steel Cat-Back Exhaust System for 1987, 1988, 1989, 1990, 1991, 1992, and 1993 GT Mustangs.
Upgrade your 1987-1993 GT Mustang's performance and sound with the Flowmaster FlowFX 2.5" 409 Stainless Steel Cat-Back Exhaust System (717116). This system features durable performance mufflers that provide a deep tone and unrestricted exhaust flow, thanks to its mandrel-bent 16-gauge stainless steel pipes. With an increase in exhaust pulse velocity, your Mustang will experience a boost in power, and the high-quality stainless steel construction offers excellent corrosion resistance.
Features and Benefits:
- Durable FlowFX “straight-through” performance mufflers
- Delivers a deep performance tone and unrestricted flow
- Mandrel-bent 16-gauge 409 stainless steel pipes
- Increases exhaust pulse velocity for more power
- Offers great corrosion resistance
- GT-style tailpipes tuck perfectly behind the rear valance for a stealthy look
- Includes hangers and hardware for an at-home installation
- Uses factory hanger locations
- Increases of 5 hp and 4 ft/lb. over the stock exhaust
The Flowmaster logo is laser-etched on the side, adding an extra level of style. At-home installation is made easy with included hangers and hardware that utilize factory hanger locations. Gain an additional 5 hp and 4 ft/lb. over your stock exhaust, while enjoying a classic polished stainless-steel tailpipe look.
Vehicle Fitment:
- 1987-1993 GT Mustangs
California Residents: Proposition 65 Warning
Related Categories: Mustang Parts, Mustang Exhaust, Mustang Cat Back Exhaust Kits, Restomod Parts, Restomod Exhaust
Installation Difficulty

Intermediate skill is required for this installation.











