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Introducing the ATAK™ 304 SS cat-back exhaust system with quad rear exit designed and produced by Borla. It is made from mandrel-bent stainless steel tubing of the 3-inch diameter reducing exhaust flow restrictions to the minimum if not eliminating them completely.

So if you want the best performing, best sounding, and highest quality exhaust system, you cannot go wrong with Borla. Straight-through, multi-core mufflers, and mandrel-bent exhaust tubes are custom-tuned to deliver the most horsepower possible, with the most aggressive and loud ATAK sound.

Borla® - ATAK™ 304 SS Cat-Back Exhaust System with Quad Rear Exit

Fits: 2020-2021 Ford Mustang Shelby GT500


  • Exhaust System Type: Cat-Back
  • Exhaust Tubing Material: 304 SS
  • Exit Location: Quad Rear
  • Main Tubing Diameter: 3"
  • Exhaust System Sound: Aggressive / Loud
  • Tip Quantity: 4
  • Tip Finish: Bright Carbon Fiber
  • Tip Outlet Diameter: 4.5"
  • Tip Shape: Round
  • Tip Cut Type: Angle Cut
  • Borla® SwitchFire™ X-Pipe
  • Retains Active Exhaust Functionality
  • No-Drone


  • Horsepower and Torque Increased by 7 – 10%
  • Increased exhaust flow for better performance
  • Better fuel economy at cruising speeds
  • The most aggressive sound of any Borla system
  • Custom designed for each application
  • Patented straight-through, multi-core muffler design reduces backpressure while absorbing sound waves
  • Mandrel-bent stainless steel tubes with diameters optimized for reduced restriction while maintaining exhaust gas speed
  • Made from the finest austenitic stainless steel for long-lasting durability
  • All welded construction
  • Includes everything required for installation, including detailed instructions


Learn more about the new Borla product on
this page.
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