Borla ATAK Axle-Back Exhaust System, Part Number 11890, for 2015-2023 Ford Mustang

EXCEPT Convertible and Active Valve Exhaust (4 tips). For convertible applications use PN 11938 and 11939. Features bright chrome on T-304 stainless steel tips. Borla(r) Cat-Back(tm) and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, Borla(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. ATAK Axle-Back Exhaust System 2015-2023 Ford Mustang 2.3L 4 Cyl.. EcoBoost/ 2015-2017 3.7L V6, Automatic/ Manual Transmission Rear Wheel Drive 2 Door EXCEPT Convertible and Active Exhaust Systems (4 tips). Million Mile Warranty 2015-2023 Ford Mustang 2.3L 4 Cyl.. EcoBoost/ 2015-2017 3.7L V6, Automatic/ Manual Transmission Rear Wheel Drive 2 Door EXCEPT Convertible and Active Exhaust Systems (4 tips).

• EXCEPT Convertible models and vehicles with Active Valve Exhaust System (4 tips)

Upgrade the sound and exhaust performance of your compatible Ford Mustang with the Borla ATAK Axle-Back Exhaust System, Part Number 11890. This rear-section exhaust is engineered for 2015-2023 Mustang models equipped with the 2.3L EcoBoost four-cylinder engine and 2015-2017 models equipped with the 3.7L V6 engine. It supports both automatic and manual transmissions on rear-wheel-drive, two-door coupe applications.

The Borla ATAK system uses patented straight-through and multi-core technology to improve exhaust velocity and help release hidden horsepower while delivering Borla's distinctive, aggressive sound. Bright chrome T-304 stainless steel exhaust tips provide a clean appearance and long-lasting corrosion resistance. Smooth mandrel-bent tubing promotes efficient exhaust flow, while precision CNC manufacturing helps ensure accurate fitment during installation. Borla T-304 stainless steel is selected for superior durability compared with lower-grade stainless steel alternatives.

This Borla Part Number 11890 axle-back system is designed for coupe models without the factory Active Valve Exhaust System and is not compatible with convertible applications. Convertible owners should use Borla Part Numbers 11938 and 11939 where applicable. The system is backed by Borla's Million-Mile Warranty, providing long-term confidence in its construction and performance. Professional installation is recommended, and vehicle-specific fitment should be confirmed before ordering.

Fitment: 2015-2023 Ford Mustang with 2.3L EcoBoost four-cylinder engine; 2015-2017 Ford Mustang with 3.7L V6 engine; automatic or manual transmission; rear-wheel drive; two-door coupe. Excludes convertible models and vehicles equipped with the factory Active Valve Exhaust System with four exhaust tips.

What's Included: Borla ATAK axle-back exhaust system with bright chrome T-304 stainless steel tips, installation components, and Borla warranty coverage.

Features:

• ATAK Sound and Performance: Patented straight-through and multi-core technology increases exhaust velocity for responsive performance and Borla's aggressive Sound of Power.
• T-304 Stainless Steel Construction: Premium stainless steel tubing and components provide excellent durability and corrosion resistance.
• Bright Chrome Tips: Polished chrome exhaust tips add a clean, performance-oriented finish to the rear of the Mustang.
• Precision-Fit Manufacturing: Ultra-smooth mandrel bends and computer-controlled CNC manufacturing support efficient flow and accurate installation.

Fitments:
2015 Ford Mustang EcoBoost
2015 Ford Mustang EcoBoost Premium
2015 Ford Mustang V6
2016 Ford Mustang EcoBoost
2016 Ford Mustang EcoBoost Premium
2016 Ford Mustang GT
2016 Ford Mustang GT Premium
2016 Ford Mustang V6
2017 Ford Mustang EcoBoost
2017 Ford Mustang EcoBoost Premium
2017 Ford Mustang V6
2018 Ford Mustang EcoBoost
2018 Ford Mustang EcoBoost Premium
2019 Ford Mustang EcoBoost
2019 Ford Mustang EcoBoost Premium
2020 Ford Mustang EcoBoost
2020 Ford Mustang EcoBoost Premium
2021 Ford Mustang EcoBoost
2021 Ford Mustang EcoBoost Premium
2022 Ford Mustang EcoBoost
2022 Ford Mustang EcoBoost Premium
2023 Ford Mustang EcoBoost
2023 Ford Mustang EcoBoost Premium

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1