Flowmaster · New
Flowmaster 87-93 Mustang GT 5.0L American Thunder SS Cat-Back Exhaust System
MPN 817116 · Store SKU flo817116
Supplier stock checked 11/8/2026, 5:47:40 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
For the person who is looking for a complete cat-back dual exhaust system with an aggressive tone. With an easy fit in mind, these systems feature a mandrel-bent 2.50-inch stainless steel inlet pipes flowing into a pair of Super 44™ Series mufflers for maximum performance and a deep powerful sound. The system utilizes the factory exhaust hangers for a quick and easy installation and the large 2.50-inch mandrel-bent tailpipes exit straight out the back with a turn down at the lower valance. The American Thunder® systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these stainless steel systems include all necessary parts, hardware and are covered by our Lifetime Limited Warranty. Note: Fits Coupes and Convertibles. Check out our optional aluminized steel system #17116. 1987-1993 Ford Mustang GT with 5.0L engine. Fits coupe and convertible. - Aggressive sound Flowmaster American Thunder Cat-back Exhaust System
Manufacturer fitment & guides
Check 817116 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
