The Borla ATAK rear-section exhaust system for the 2015 to 2023 Ford Mustang 2.3L EcoBoost delivers Borla's most aggressive ATAK sound level and exits through 4 inch bright chrome T-304 stainless steel tips. It does not fit convertible models or vehicles with the Active Valve Exhaust system (4 tips); for convertible applications use part numbers 11938 and 11939. Borla cat-back and axle-back systems use patented straight-through, multi-core technology to free hidden horsepower while adding exhaust velocity, driving excitement, fuel economy, and the distinctive Borla Sound of Power. Each system is built from premium T-304 austenitic stainless steel with ultra-smooth mandrel bends and CNC precision for an accurate fit. Borla exhaust is handmade in the USA and backed by the Borla Million-Mile Warranty. As a street rear-section system it is 50-state emissions legal.
Specifications:
- System type: rear-section exhaust
- Sound level: ATAK
- Material: T-304 austenitic stainless steel
- Construction: all-welded, mandrel-bent, patented straight-through multi-core
- Pipe diameter: 2.25 inch
- Tips: 4 inch, bright chrome on T-304 stainless steel
- Does not fit convertible or Active Valve Exhaust (4 tip) models
- 50-state emissions legal
- Made in the USA
- Part number: 11890
Vehicle Applications:
- 2015 Ford Mustang
- 2016 Ford Mustang
- 2017 Ford Mustang
- 2018 Ford Mustang
- 2019 Ford Mustang
- 2020 Ford Mustang
- 2021 Ford Mustang
- 2022 Ford Mustang
- 2023 Ford Mustang
FAQ
Which Mustangs does this fit?
It fits 2015 through 2023 Ford Mustang models with the 2.3L EcoBoost engine. It does not fit convertibles or vehicles with the Active Valve Exhaust system that have four tips.
Is this exhaust street legal?
Yes. As a street rear-section system it is 50-state emissions legal.
How does the ATAK sound level compare to other Borla options?
ATAK is Borla's most aggressive sound level, louder than the Touring and S-Type tiers, with a bold wide-open-throttle tone while keeping interior drone in check.
What are the pipe size and tips, and where is it made?
The system uses 2.25 inch piping and exits through 4 inch bright chrome T-304 stainless steel tips. Borla exhaust is handmade in the USA and backed by the Borla Million-Mile Warranty.
