5 Star Custom Tunes with SCT X4 Device (2015 - 2017 Mustang 5.0)
Take your 2015-2017 Mustang GT 5.0 to the next level with 5 Star Custom Tunes and the SCT X4 Device. From the factory, your Mustangs ECU is programmed for the average driver, leaving power and torque hidden. With a custom calibration, youll unleash stronger performance, sharper throttle response, smoother shifts, and an overall more thrilling driving experience.
Why Choose 5 Star Tuning?
5 Star Tuning is a trusted leader in Ford and GM tuning for cars, trucks, SUVs, and motorhomes. Every tune is custom-tailored to your vehicle and driving needswhether thats more power, better torque, tuning for current or future modifications, or simply making your Mustang drive the way it should. All tunes are engineered to maintain reliability while maximizing performance.
Dyno & Street Proven
Each custom tune is dyno-tested, street-tested, and tow-tested. 5 Star engineers use their own vehicles for long-term testing, logging over a million test miles to guarantee youre getting the most refined and reliable tunes available today.
Free Tunes for Life
As your build evolves, so does your tune. With Tunes for Life, recalibrations are free for as long as you own your Mustang. Add a new mod? Simply update your tune at no cost and enjoy optimized performance at every stage.
Performance Benefits
5 Star Custom Tunes deliver results you can feel immediately:
- More horsepower and torque
- Quicker throttle response
- Elimination of factory speed limiter
- Smoother, more precise shift points
- Improved towing capacity and efficiency
How 5 Star Gets Results
The tunes optimize your Mustang by adjusting critical systems including fuel tables, timing, drive-by-wire response, torque converter settings, and transmission shift strategiesunlocking your cars true potential.
SCT X4 Device Features
The SCT X4 handheld tuner is designed for flexibility and control. Key features include:
- Storage for up to 10 custom tunes
- Monitoring of live engine parameters (RPM, speed, coolant temp, and more)
- Datalogging for fine-tuning with current or future upgrades
- Easy return-to-stock option with stored factory tune
Installation Made Simple
Installing your tune is quick and straightforward:
- 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 the X4 and flash your Mustang.
No tools are required, and the process usually takes just 510 minutes. For help, call 1-855-827-7223 anytime.
Important Notes
- SCT software works with Microsoft Windows only.
- Device can update via USB; Wi-Fi support available on SCT BDX models.
- Purchaser assumes responsibility for emissions and safety compliance in accordance with local laws.
Fitment:
- 2015 Ford Mustang GT 5.0
- 2016 Ford Mustang GT 5.0
- 2017 Ford Mustang GT 5.0
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
