5 Star Custom Tunes w/ SCT X4 Device (1997 - 2003 Ford F-150 4.6L / 5.4L)
Boost the performance of your Ford F-150 4.6L or 5.4L with 5 Star Custom Tunes and the SCT X4 Device. From the factory, your PCM is programmed for the average driver, which leaves horsepower, torque, and drivability on the table. Our calibrations unlock hidden performance by reprogramming your PCM for maximum power, faster throttle response, sharper shift points, and improved efficiency, turning your truck into a more responsive and capable machine.
Why 5 Star Tuning?
5 Star Tuning is the leader in Ford and GM performance calibrations, offering custom-tailored tunes instead of generic one-size-fits-all files. Whether you want more horsepower, stronger towing capability, or better drivability with new upgrades, our calibrations are designed to maximize your F-150s potential without sacrificing reliability.
Proven on Dyno & Street
Every 5 Star Tune is dyno-tested, street-driven, and refined across more than a million miles on our own vehicles. From everyday driving to heavy towing, our tunes are validated in real-world conditions to ensure consistent performance.
Free Tunes for Life
With the Tunes for Life program, future modifications are always covered. Add a new upgrade, and well recalibrate your tune for free as long as you own your truck. This guarantees your F-150 continues to run at peak performance. For more information, call us at 1-855-827-7223.
Performance Gains Youll Feel
A 5 Star Custom Tune eliminates sluggish throttle, factory speed limiters, and sloppy shifts. The result is more horsepower, torque, towing power, throttle response, and efficiency youll notice every time you get behind the wheel.
How We Unlock Performance
Our engineers optimize fuel mapping, drive-by-wire response, ignition timing, torque converter settings, shift strategies, and shift pressures to bring out the best in your 4.6L or 5.4L F-150.
What Can the SCT X4 Device Do?
- Stores up to 10 custom tunes from 5 Star Tuning
- Monitors vital engine parameters like RPM, speed, coolant temperature, and more
- Datalogging capability for further refinement of mods
- Backs up your factory tune and lets you return to stock anytime
Simple Installation
Installation takes about 510 minutes and requires no tools. Just plug into your OBD-II port and follow on-screen instructions. No shop visit required.
How the Process Works
- Order your SCT device online or by phone and provide vehicle info.
- Pull your ECU strategy code using the device and email it to 5 Star Tuning.
- Well build your custom tunes and email you a download link.
- Load the tunes to your SCT device, plug into your OBD-II port, and flash your truck.
Compatibility Notes
- SCT software is compatible with Windows OS. For non-Windows systems, we recommend the Bully Dog BDX device with Wi-Fi support.
- By purchasing this device, you assume responsibility for compliance with all local, state, and federal emissions/safety laws. 5 Star Tuning is not liable for violations resulting from use of this product.
Fitment:
- 1997 Ford F-150 4.6L / 5.4L
- 1998 Ford F-150 4.6L / 5.4L
- 1999 Ford F-150 4.6L / 5.4L
- 2000 Ford F-150 4.6L / 5.4L
- 2001 Ford F-150 4.6L / 5.4L
- 2002 Ford F-150 4.6L / 5.4L
- 2003 Ford F-150 4.6L / 5.4L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
