Flowmaster Mustang GT American Thunder Axle-Back Exhaust System (2015-2017)

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Flowmaster's American Thunder Axle-back exhaust system for the 2015 Ford Mustang GT is perfect for the driver looking for a moderately aggressive sound level outside the car, while maintaining a mild sound level inside with all the performance benefits that you would expect from Flowmaster.

This bolt-on DOR (Dual Out Rear) system for cars with the 5.0L V8 engine features 3.0" inlet pipes that flow into a pair of Super 44 series mufflers for maximum performance.

The system is built out of 409S stainless steel and utilizes 4.0" polished stainless steel Flowmaster embossed tips. The exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. This axle-back exhaust system fits both coupe and convertible Mustangs.

Product Features
  • Cat Converter Included: No
  • Exit Position: DOR
  • Mount Type: Uses factory hangers
  • Muffler Inlet Diameter: 2.5
  • Muffler Outlet Diameter: 3
  • Muffler Shape: Oval
  • Tip Diameter: 4
  • Tip Finish: Polished
  • Tip Style: Double Wall
  • Muffler Color: Black

Purchase the Flowmaster American Thunder Axle-Back Exhaust System for your 2015 GT Mustang from Steeda Autosports today!

Product Benefits
  • Stainless Steel Construction
  • Dyno tuned for maximum performance
  • Patented Delta Flow Technology
  • Limited Lifetime Warranty
  • Made in the USA

warningWARNING: California Residents: Cancer and Reproductive Harm;

Installation Difficulty:
Tools Required:
Basic Shop Tools
Estimated Install Time:
(approx.) 1.5 Hours
Vehicle Fitment:
2015, 2016, 2017
Vehicle Trim:
T409 Stainless Steel
Exhaust Finish:
Exhaust Tip Type:
Dual Tip
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