| Flowmaster's American Thunder® Axle-back exhaust system for the 2018 Ford Mustang GT with the 5.0L engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This bolt-on 409S stainless steel system features single 3.00 inch mandrel-bent tubing and two Super 44 series mufflers for maximum power and exterior sound quality, but with a moderate and pleasant interior tone at cruising speeds. Other features include quad 4.00 inch polished tips. This system includes all necessary parts, hardware and instructions for an easy installation. Proud to Say Made in the USA. NOTE: This kit will not fit vehicles with the Active Performance Exhaust option.
Dyno-Tuned for Maximum Performance
409S Stainless Steel Construction
Moderate/Aggressive Sound
Made in the USA | 
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