5 Star Custom Tunes w/ SCT X4 Device (2018 - 2023 Mustang 5.0L)
Give your 2018-2023 Ford Mustang 5.0L the performance it deserves with a 5 Star Custom Tune and SCT X4 programmer. Factory calibrations are designed for the masses, leaving horsepower, torque, and drivability locked away. With 5 Stars custom tuning, youll unlock maximum horsepower and torque, sharper throttle response, optimized shift points, improved fuel efficiency, and a more exciting driving experience.
Why Choose 5 Star Tuning?
5 Star Tuning is the proven leader in Ford and GM calibrations. Unlike generic one-size-fits-all tunes, every 5 Star calibration is custom-tailored to your Mustang and your driving goals. Whether you want stronger acceleration, more power, better drivability, or support for future mods, we ensure performance without sacrificing reliability.
Dyno & Street Proven Performance
Each tune is dyno-developed, road-tested, and refined across more than a million test miles. From daily driving to aggressive track use, 5 Star calibrations provide safe, consistent, and proven performance you can rely on.
Free Tunes for Life
As part of the Tunes for Life program, youll receive free tune updates for the life of your Mustang ownership. Add a new intake, exhaust, or other performance upgrades and well update your tune at no costkeeping your Mustang at peak horsepower, torque, and efficiency.
Performance Benefits
- Increased horsepower & torque
- Faster throttle response
- Optimized transmission shift strategies
- Factory speed limiter removal
- Improved acceleration and drivability
- Enhanced fuel efficiency
How We Unlock More Power
Our calibrations optimize critical performance tables including fuel mapping, ignition timing, drive-by-wire response, torque converter settings, and transmission shift pressures. These refinements unleash hidden performance while improving drivability across all modes.
SCT X4 Device Features
The SCT X4 is a versatile, handheld tuner with everything you need for easy custom tuning:
- Store and load up to 10 custom 5 Star Tunes
- Monitor live engine parameters (RPM, speed, coolant temps, and more)
- Datalog for deeper performance refinement
- Save a copy of your factory tune for easy return-to-stock
- Compact design with full-color display and simple navigation
Step-by-Step Tune Delivery Process
- Order your SCT X4 and select your custom tune options.
- Retrieve your ECU strategy code using the device (via OBD-II port).
- Email your ECU code(s) to 5 Star Tuning.
- Receive your custom tune files via Google Drive.
- Load the tunes onto your X4 and flash your Mustang.
Installation takes about 510 minutes and requires no special tools.
Support
For assistance, call 1-855-827-7223 or email sales@beefcakeracing.com.
Note: SCT software is Windows-only. For non-Windows users, we recommend the SCT BDX with Wi-Fi support.
Legal Notice
By purchasing this tuner and tune package, you assume full responsibility for emissions and safety compliance. 5 Star Tuning does not provide calibrations that disable emissions equipment. This product is not legal for sale or use in California. Orders from California will be canceled.
Fitment:
- 2018 Ford Mustang 5.0L
- 2019 Ford Mustang 5.0L
- 2020 Ford Mustang 5.0L
- 2021 Ford Mustang 5.0L
- 2022 Ford Mustang 5.0L
- 2023 Ford Mustang 5.0L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

