Flowmaster · New
Flowmaster 15-17 Mustang GT 5.0L American Thunder SS Axle-Back Exhaust System
MPN 817749 · Store SKU flo817749
Supplier stock checked 11/8/2026, 3:55:06 AM UTC. Adding a part does not reserve it.
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Product details
The Flowmaster® American Thunder® Axle-back exhaust system for the 2015-2017 Ford Mustang GT is perfect for the person looking for an aggressive sound level both inside and outside of the car, with all of the performance benefits that you would expect from Flowmaster. This bolt-on emissions-legal system is for cars with the 5.0L engine and features 3.00-inch mandrel-bent tubing flowing into a pair of Super 44™ Series performance mufflers with 3.00-inch tailpipes for maximum performance and a deep powerful sound. The system is constructed from 409 stainless steel and features large 4.00-inch polished stainless steel tips for a refined look. The system is covered by our Flowmaster Lifetime Limited Warranty and is designed for an easy fit and includes all necessary parts and hardware for installation. Note: This system fits coupes and convertibles. 2015-2017 Ford Mustang GT 5.0L Coupes & Convertibles. - Aggressive to moderate sound Flowmaster American Thunder Axle-back Exhaust System
Manufacturer fitment & guides
Check 817749 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y