Borla ATAK Axle-Back Exhaust System (11939) - 2015-2023 Ford Mustang EcoBoost Convertible
Give your Mustang convertible a more aggressive exhaust note with the Borla ATAK Axle-Back Exhaust System. Designed specifically for 2015-2023 Mustang EcoBoost Convertible models and 2015-2017 Mustang V6 Convertible models without factory Active Exhaust, this system delivers Borla's aggressive ATAK sound level while maintaining a comfortable, drone-free driving experience.
This axle-back exhaust system features 4" round bright chrome T-304 stainless steel tips for a clean and aggressive appearance. Borla's advanced multi-core technology is engineered to improve exhaust flow, increase exhaust velocity, and help unleash hidden horsepower for improved performance and driving excitement.
Constructed from premium T-304 stainless steel with ultra-smooth mandrel bends and precision CNC manufacturing, this exhaust system is built for exceptional durability, maximum exhaust flow, and precise fitment.
Features
- Designed for 2015-2023 Ford Mustang EcoBoost Convertible models
- Designed for 2015-2017 Ford Mustang 3.7L V6 Convertible models
- Aggressive ATAK sound level
- Drone-free driving experience
- 4" round bright chrome T-304 stainless steel tips
- Advanced multi-core technology
- Helps improve exhaust flow and performance
- Premium T-304 stainless steel construction
- Ultra-smooth mandrel bends for maximum flow
- Precision CNC manufacturing for accurate fitment
- Made in the USA
- Backed by Borla's Million-Mile Warranty
Fitment
- 2015 Ford Mustang EcoBoost 2.3L 4 Cylinder Automatic/Manual Transmission RWD Convertible
- 2015 Ford Mustang 3.7L V6 Automatic/Manual Transmission RWD Convertible
- 2016 Ford Mustang EcoBoost 2.3L 4 Cylinder Automatic/Manual Transmission RWD Convertible
- 2016 Ford Mustang 3.7L V6 Automatic/Manual Transmission RWD Convertible
- 2017 Ford Mustang EcoBoost 2.3L 4 Cylinder Automatic/Manual Transmission RWD Convertible
- 2017 Ford Mustang 3.7L V6 Automatic/Manual Transmission RWD Convertible
- 2018 Ford Mustang EcoBoost 2.3L 4 Cylinder Automatic/Manual Transmission RWD Convertible
- 2019 Ford Mustang EcoBoost 2.3L 4 Cylinder Automatic/Manual Transmission RWD Convertible
- 2020 Ford Mustang EcoBoost 2.3L 4 Cylinder Automatic/Manual Transmission RWD Convertible
- 2021 Ford Mustang EcoBoost 2.3L 4 Cylinder Automatic/Manual Transmission RWD Convertible
- 2022 Ford Mustang EcoBoost 2.3L 4 Cylinder Automatic/Manual Transmission RWD Convertible
- 2023 Ford Mustang EcoBoost 2.3L 4 Cylinder Automatic/Manual Transmission RWD Convertible
Additional Notes
- Part Number: 11939
- System Type: Axle-Back Exhaust
- Sound Level: ATAK
- Fits convertible models only
- Not compatible with factory Active Valve Exhaust systems (4 tip models)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

