5 Star Custom Tunes with SCT X4 Device (2015 - 2017 Mustang 2.3L EcoBoost)
Unlock the true performance of your 2015-2017 Mustang 2.3L EcoBoost with a 5 Star Custom Tune and SCT X4 Device. Factory calibrations are designed for the average driver, leaving horsepower and torque hidden. With a custom recalibration, youll experience sharper throttle response, improved shift points, greater efficiency, and the performance driving experience your Mustang was meant to deliver.
Why Choose 5 Star Tuning?
5 Star Tuning is the industry leader in Ford and GM performance tuning. Unlike generic one-size-fits-all solutions, their custom tunes are tailored to your specific vehicle and driving needs. Whether youre after more horsepower, torque, support for future mods, or smoother drivability, 5 Star provides precision calibrations while protecting long-term reliability.
Dyno & Street Proven
Every 5 Star tune is dyno-tested, refined, and road-proven. With over one million test miles across their own vehicles, these calibrations are validated under real-world driving, towing, and performance conditions to guarantee consistent results.
Free Tunes for Life
With the Tunes for Life program, recalibrations are free for as long as you own your Mustang. Add new modifications and always keep your EcoBoost tuned for peak performance. For program details, call 1-855-827-7223.
Performance Benefits
- Increased horsepower and torque
- Sharper throttle response
- Elimination of the factory speed limiter
- Smoother, more responsive shift points
- Improved fuel efficiency and overall drivability
How 5 Star Tunes Extract More Power
Calibrations adjust critical systems including:
- Fuel tables and air/fuel ratios
- Drive-by-wire throttle mapping
- Ignition timing
- Torque converter strategies
- Shift pressures and transmission behavior
SCT X4 Device Features
The SCT X4 Device is versatile and powerful, offering features beyond just flashing tunes:
- Store and load up to 10 custom tunes
- Monitor real-time engine parameters (RPM, speed, coolant temps, and more)
- Datalogging for precision adjustments with future modifications
- Save your stock tune and return to factory settings anytime
Installation Process
The SCT X4 is simple to use and requires no tools:
- Connect the SCT X4 to your Mustangs OBD-II port.
- Retrieve your ECU strategy code and email it to 5 Star Tuning
- Receive your custom tunes via download link.
- Load the tunes onto your device and flash your Mustang.
Typical installation time: 510 minutes.
Important Notes
- SCT software is compatible with Microsoft Windows only.
- Wi-Fi updates are supported on SCT BDX models.
- By purchasing, you assume responsibility for emissions and safety compliance under local laws.
- 5 Star Tuning does not provide calibrations that disable or defeat emissions equipment.
Fitment:
- 2015 Ford Mustang 2.3L EcoBoost
- 2016 Ford Mustang 2.3L EcoBoost
- 2017 Ford Mustang 2.3L EcoBoost
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