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Flowmaster American Thunder Axle Back Exhaust (13-14 GT)
Flowmaster American Thunder Axle Back Exhaust Mustang GT 817588

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Regular Price $596.72
Sale Price $459.99
Manufacturer Part # 817588

Availability: Usually Ships in 24 Hours
Product Code: 5894

If you're serious about your S197's performance, Flowmaster's American Thunder System is just what the doctor ordered. For 30+ years, Flowmaster has been dediAxleed to raising the bar of performance exhaust. This bolt on system will show off the aggressive nature of your powerful 5.0. The American Thunder Axle Back Exhaust System is perfect for the Mustang lover that wants a moderately louder & more aggressive exhaust sound without having to deal with excessive cabin drone. This system is even dyno tested and tuned to provide your V8 with unbeatable performance!

The American Thunder System is 100% emissions legal and is constructed from 409S stainless steel tubing. The tubing is mandrel bent to ensure a precise diameter throughout the system, ensuring smooth exhaust flow. The Super 44 Series mufflers feature Delta Flow technology, giving you better exhaust flow for improved throttle response, power and fuel efficiency. This system is finished off with monstrous 4" exhaust tips that are polished to a glimmering shine; this axle back exhaust really fills up your rear end for sleek looks. Bolt on pure power with Flowmaster's American Thunder System from Stangmods!
Key Product Specs
  • Dyno tested for maximum performance
  • Aggressive sound without excessive drone
  • 409S stainless steel tubing
  • 4" polished exhaust tips
  • Made in the USA

  • Fits 2013-2014 Mustang GT

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