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Borla 11939 – ATAK Axle-Back Exhaust for 2015–2023 Ford Mustang EcoBoost & 2015–2017 Mustang V6 Convertible (Bright Chrome Tips, Non-Active Exhaust) Deal

Original price was: $888.99.Current price is: $355.60.

SKU: SK0074615-US20260203-163433 Category:

Description

Add an aggressive, high-performance exhaust tone to your Mustang Convertible with the Borla 11939 ATAK Axle-Back Exhaust System. Engineered specifically for 2015–2023 Mustang EcoBoost and 2015–2017 Mustang V6 convertible models, this system delivers BORLA®’s most extreme and crisp ATAK® sound while maintaining zero drone inside the cabin.

Featuring 2.25″ T-304 stainless steel mandrel-bent piping and dual 4″ single round rolled angle-cut bright chrome tips, this system enhances both performance and appearance. BORLA®’s patented straight-through multi-core muffler design improves exhaust velocity, unlocking additional horsepower, torque, and throttle response.

Note: This system fits convertibles only and does NOT fit vehicles with the Active Valve Exhaust System (quad tips).

 

Product Specifications

  • Brand: Borla

  • Part Number: 11939

  • Series / Sound Level: ATAK®

  • Part Type: Exhaust

  • Type: Axle-Back Exhaust

  • Material: T-304 Stainless Steel

  • Tubing Diameter: 2.25″

  • Tip Style: Single round, rolled, angle-cut

  • Tip Finish: Bright chrome

  • Tip Size: 4″

  • Tip Exit: Single split rear exit

  • Active Exhaust Compatibility: Not compatible

  • Warranty: Million-Mile Warranty

Vehicle Fitment

Compatible Models

  • 2015–2023 Ford Mustang EcoBoost (Convertible Only)

  • 2015–2017 Ford Mustang 3.7L V6 (Convertible Only)

Requirements / Exclusions

  • Does NOT fit vehicles equipped with Active Valve Exhaust (quad-tip systems)

  • Fits automatic and manual transmission

  • Rear-wheel drive