5 Star Custom Tunes w/ SCT X4 Device (1999 - 2005 Ford Excursion 5.4L)
Unlock the true potential of your Ford Excursion 5.4L with 5 Star Custom Tunes and the SCT X4 device. From the factory, your PCM is calibrated for average drivingnot enthusiasts who want more. Our tunes deliver greater horsepower, torque, throttle response, towing confidence, and improved fuel efficiency, giving your Excursion the performance it deserves.
Why Choose 5 Star Tuning?
We specialize in Ford and GM performance tuning with a focus on precision and reliability. Every calibration is custom-tailored to your needs, whether that means maximum towing power, smoother daily driving, or preparing for future modifications. Our approach ensures your Excursions performance is optimized without compromising dependability.
Proven on Dyno & Street
All of our calibrations are dyno-tested, road-tested, and tow-tested across more than a million miles of real-world driving. This hands-on approach ensures safe, consistent, and powerful results you can rely on.
Free Tunes for Life
As part of our Tunes for Life program, recalibrations are free for as long as you own your Excursion. When you add new performance upgrades, well update your tune at no costkeeping your vehicle perfectly dialed in. For program details, call 1-855-827-7223.
Performance Benefits
- Stronger towing capacity with optimized torque
- Faster throttle response and smoother acceleration
- Improved shift points for better drivability
- Enhanced fuel efficiency under load and cruising
- Factory speed limiter removed for unrestricted performance
How We Maximize Power
Our engineers fine-tune fuel mapping, ignition timing, drive-by-wire response, torque converter lockup, and transmission strategies to deliver a noticeable improvement in both daily driving and heavy-duty towing.
SCT X4 Device Features
- Holds up to 10 custom 5 Star tunes
- Reads and clears diagnostic trouble codes (DTCs)
- Monitors live engine parameters like RPM, coolant temp, and speed
- Supports datalogging for advanced tuning refinement
- Stores a copy of your factory tune for easy return to stock
Simple, No-Shop Install
Installation is quick and user-friendly. Just plug the SCT X4 into your OBD-II port and follow the prompts. Youll be tuned in 510 minutesno tools or shop visit required.
How the Tuning Process Works
- Order your SCT X4 device and provide vehicle details at checkout.
- Use the device to pull your ECU strategy code and email it to 5 Star Tuning
- Well build your custom tunes and send them via Google Drive.
- Load the files onto your SCT X4 and flash your Excursion by following the on-screen steps.
Important Notes
- Compatible with Microsoft Windows OS. For non-Windows users, the Wi-Fi enabled Bully Dog BDX is recommended.
- Purchasing this tuner implies responsibility for emissions and safety compliance. 5 Star Tuning assumes no liability for misuse or violations.
Fitment:
- 1999 Ford Excursion 5.4L
- 2000 Ford Excursion 5.4L
- 2001 Ford Excursion 5.4L
- 2002 Ford Excursion 5.4L
- 2003 Ford Excursion 5.4L
- 2004 Ford Excursion 5.4L
- 2005 Ford Excursion 5.4L
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