American Thunder Axle Back Exhaust System; Dual Rear Exit; Incl. 3.0 in. Tubing/Two Super 44 Series™ Mufflers/4.0 in. Quad Polished Tips; 409 Stainless Steel;
Flowmaster's American Thunder Axle-back exhaust system for the 2018 and 2019 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. NOTE: This kit will not fit vehicles with the Active Performance Exhaust option.
  • Mandrel Bent Tubing
  • Limited Lifetime Warranty
  • Aggressive Exterior Exhaust Tone
  • Dyno Tuned for Maximum Performance
  • Premium Flowmaster Quality
  • Made in the USA

Application Summary:

Year Make/Model
2018-2021 Ford Mustang

Additional Information:

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.