5 Star Custom Tunes w/ SCT X4 Device (2004 - 2008 Ford F-150 4.6L / 5.4L)
Unlock hidden power in your 20042008 Ford F-150 4.6L or 5.4L with 5 Star Custom Tunes and the SCT X4 Programmer. From the factory, your trucks computer is set up for the average driver, leaving horsepower, torque, and throttle response on the table. With a 5 Star custom calibration, your F-150 will gain sharper acceleration, smoother shifts, stronger towing capability, and improved fuel efficiency.
Why Choose 5 Star Tuning?
We are the recognized leader in Ford truck tuning, specializing in the F-150 platform. Unlike generic canned tunes, each 5 Star calibration is custom-tailored to your specific vehicle, your modifications, and your performance goals. Whether youre seeking maximum towing power, better daily drivability, or an all-around performance upgrade, our tunes are refined to deliver results without sacrificing reliability.
Dyno & Road Tested
Our F-150 tunes have been dyno-developed, street-tested, and tow-proven across thousands of miles in real-world conditions. With over a million in-house test miles, we back our claims with consistent, measurable results.
Free Tunes for Life
As part of our Tunes for Life program, youll receive free tune updates whenever you add new performance modsintakes, exhausts, throttle bodies, etc.for as long as you own your truck. This ensures your F-150 always runs at peak performance without extra cost.
Performance Gains
- Increased horsepower & torque across the RPM range
- Stronger towing power and throttle response
- Optimized shift points & transmission strategies
- Improved fuel economy under normal driving
- Ability to adjust or remove the factory speed limiter
How We Tune
Our calibrations fine-tune fuel maps, ignition timing, drive-by-wire throttle control, torque converter lockup, and shift pressures. The result is an F-150 that feels more responsive, more capable, and more enjoyable to drive.
SCT X4 Device Features
- Preloaded & custom tune support (stores up to 10 tunes)
- Full-color display with easy-to-use navigation
- Reads & clears diagnostic trouble codes (DTCs)
- Real-time monitoring of engine parameters (RPM, temps, voltage, etc.)
- Datalogging capability for advanced fine-tuning
- Restore your truck to stock calibration anytime
Easy Installation
No tools requiredjust plug into your trucks OBD-II port and follow the on-screen prompts. Installation takes about 510 minutes.
Custom Tuning Process
- Order your SCT X4 and provide vehicle details at checkout.
- Use the device to read your ECU strategy code and email it to 5 Star Tuning.
- Well build your custom tunes and deliver them via Google Drive.
- Load the tunes onto your X4 device, then flash your PCM in minutes.
Important Notes
- SCT software is Windows-based; non-Windows users should consider the SCT BDX device (Wi-Fi capable).
- Buyer is responsible for emissions compliance in their state or country.
Fitment:
- 2004 Ford F-150 4.6L / 5.4L
- 2005 Ford F-150 4.6L / 5.4L
- 2006 Ford F-150 4.6L / 5.4L
- 2007 Ford F-150 4.6L / 5.4L
- 2008 Ford F-150 4.6L / 5.4L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

