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Product Information

The Borla Atak Cat-Back is a cat-back exhaust for a 2015-2017 Ford Mustang: GT, replacing everything from behind the catalytic converters back, a bigger system than an axle-back.

Why Upgrade

Per Borla, this system offers:

  • an exhaust note Borla says is tuned to give real acoustic feedback of engine RPM, not just volume, to help with things like rev-matched downshifts
  • per-vehicle tuning Borla says comes from patented technology combined with computer modeling, prototyping, and sound analysis specific to this application
  • 4-inch tips, per the listing (Borla's own copy for this SKU doesn't say what finish)

Fitment Notes

Fits 2015-2017 Ford Mustang: GT. Does not fit Mustang: EcoBoost, GT350, V6. Pipe diameter: 3 inch, per the listing.

More Cat-Back parts that fit your Mustang

Install and Honest Talk

This is a cat-back system, running from behind the catalytic converters to the tips; it does not touch the catalytic converters either way, so it changes sound and, per Borla, exhaust flow, not emissions equipment. Borla doesn't say how loud this specific system is; aftermarket exhausts typically run louder than stock and can add some drone at certain highway RPMs, so budget for that even without a number from Borla for this SKU. [VERIFY: actual sound level for this system before ordering if noise matters to you.] Borla does not list a dyno figure for this specific system. What else you need: [VERIFY: whether new gaskets, clamps, or hangers are included, and whether it bolts directly to your factory catalytic converter section or needs trimming].

Specs

  • Brand: Borla
  • Type: Atak Cat-Back
  • Pipe diameter: 3 inch
  • Tip diameter: 4 inch
  • Fits: 2015-2017 Ford Mustang: GT
  • Excludes: Mustang: EcoBoost, GT350, V6
  • Part number: 140630
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