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Flowmaster expands Mustang Line-up with new Exhaust Systems!

By: Skylar Drake10/29/2019 < Back to Blog Home
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Flowmaster continues to expand their awesome line of bolt on performance exhaust with new FlowFX axle-back systems! Introducing three new systems, Flowmaster now covers most 2005-2014 Mustang models utilizing the FlowFx "straight-through" performance muffler for a deep, powerful tone.


Introducing our new FlowFX® Axle-back exhaust system for 2011-2012 Ford Mustang GT coupes and convertibles with the 5.0L engine. Features include 3.00-inch mandrel-bent stainless steel tubing running into a pair of compact round FlowFX "straight-through" mufflers for a deep and powerful tone. The large 3.00-inch core mufflers ensure maximum performance, are constructed from bright 409S stainless steel and utilize the factory hanger locations for a quick and easy installation.
  • Dyno-tuned for maximum performance
  • Large 4.5-inch stainless black ceramic coated tip.
  • FlowFX "straight-through" performance muffler.
  • Uses the factory hanger locations.
  • Lifetime limited warranty.
  • Stainless steel construction.


  • Introducing our new FlowFX Axle-back exhaust system for 2013-2014 Ford Mustang GT coupes, convertibles and 2013 Boss 302 models with the 5.0L engine.
  • Quick & Easy Installation.
  • Deep Powerful Sound.
  • Uses the factory hanger locations.
  • Stainless steel construction.
  • Lifetime limited warranty.
  • FlowFX "straight-through" performance muffler.


  • Introducing our new FlowFX Axle-back exhaust system for 2005-2010 Ford Mustang GT, Shelby GT, GT500, California Special and Bullitt cars with the 4.6L and 5.4L engines. The mufflers are finished off with large 4.50-inch black ceramic coated stainless steel tips filling out the factory exhaust cutouts. Designed for easy installation, includes all necessary parts, hardware, and detailed instructions. The system is covered by our Lifetime Limited Warranty.
  • Lifetime limited warranty.
  • 3.00" Stainless Muffler Construction.
  • Utilizes factory mounting locations.
  • Deep, powerful tone inside and outside of vehicle.
  • Dyno-tuned for maximum performance.
  • Quick & Easy Installation.

  • Check out the exhaust clip here!


    For more information on the products you see listed here, check out the "Featured Recommendations" below. To see other Flowmaster offerings (including complete bolt on exhaust systems, high-performance mufflers and more), check out the brand page HERE.

    Featured Products
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