MRT Sport Touring Cat Back Exhaust (98U906) - 2015+ Mustang EcoBoost 2.3L Coupe
Upgrade your 2015+ Mustang EcoBoost with the MRT Sport Touring Cat Back Exhaust and experience the perfect balance of performance, sound, and everyday drivability. Designed for enthusiasts who want a refined exhaust note with the ability to come alive under throttle, this system delivers a deep, controlled tone that enhances your Mustang without overwhelming it.
Built from premium T304 stainless steel, this cat-back system features full 3 inch mandrel-bent tubing to maximize exhaust flow and unlock additional performance from your EcoBoost engine. The straight-through muffler design reduces restriction while maintaining MRT’s signature low-drone sound profile. Finished with dual 4 inch double wall tips, this system adds a clean, aggressive look with optional Black Ops matte finishes available.
Whether you're cruising through town or pushing your Mustang harder on the highway, the MRT Sport Touring system delivers a smooth, refined tone at light throttle and a more aggressive sound when you demand it. It is engineered to provide noticeable gains in performance while keeping the driving experience comfortable and enjoyable.
Features
- Refined, on-demand exhaust tone with balanced sound output
- Full 3 inch mandrel-bent tubing for increased exhaust flow
- Straight-through muffler design improves performance and efficiency
- Constructed from corrosion-resistant T304 stainless steel
- Dual 4 inch double wall exhaust tips with beveled edges
- Optional Black Ops matte tip finish available
- Engineered to minimize excessive drone during cruising
- Direct bolt-on installation for easy upgrade
- Designed and manufactured in the USA
Additional Notes
- Loudness rating: 6 out of 10
- Drone level: mild and controlled
- Performance rating: 8.5 out of 10
- Fits coupe models only
- Does not fit quad tip Performance Package vehicles
- Limited lifetime warranty included
Fitment
- 2015 Ford Mustang EcoBoost 2.3L Coupe
- 2016 Ford Mustang EcoBoost 2.3L Coupe
- 2017 Ford Mustang EcoBoost 2.3L Coupe
- 2018 Ford Mustang EcoBoost 2.3L Coupe
- 2019 Ford Mustang EcoBoost 2.3L Coupe
- 2020 Ford Mustang EcoBoost 2.3L Coupe
- 2021 Ford Mustang EcoBoost 2.3L Coupe
- 2022 Ford Mustang EcoBoost 2.3L Coupe
- 2023 Ford Mustang EcoBoost 2.3L Coupe
- 2024 Ford Mustang EcoBoost 2.3L Coupe
- 2025 Ford Mustang EcoBoost 2.3L Coupe
- 2026 Ford Mustang EcoBoost 2.3L Coupe
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

