5 Star Custom Tunes w/ SCT X4 Device (2005 - 2008 Super Duty 5.4L)
Unleash the full potential of your 20052008 Ford Super Duty 5.4L with 5 Star Custom Tunes and the SCT X4 Programmer. From the factory, your trucks PCM is built for the average driver, leaving horsepower, torque, and responsiveness untapped. With 5 Star tuning, youll enjoy stronger throttle response, cleaner shifts, improved towing power, and optimized fuel efficiency, all custom-tailored to your Super Duty.
Why Choose 5 Star Tuning?
As industry leaders in Ford and GM tuning, we specialize in creating refined calibrations for trucks, SUVs, cars, and motorhomes. Unlike generic tunes, our calibrations are custom-made for your exact setup, whether youre seeking better towing capability, more torque, or improved day-to-day drivability. Reliability is always a priorityyour engines safety is never compromised.
Dyno & Street Tested
Every tune is dyno-developed and street-proven. From cross-country test drives to real-world towing, weve logged over one million test miles to ensure your Super Duty gets the highest quality, most reliable tune available.
Free Tunes for Life
As a Tunes for Life member, youll receive free recalibrations whenever you add performance upgrades like intakes, exhausts, or other mods. This guarantees your 5.4L Super Duty always runs at peak performance with your newest setupfor as long as you own the truck.
Performance Benefits
- Gain hidden horsepower & torque across the RPM range
- Sharper throttle response and reduced lag
- Optimized shift strategies for towing & daily driving
- Better fuel efficiency under normal use
- Remove or adjust factory speed limiter
How We Maximize Performance
Our custom calibrations fine-tune fuel tables, ignition timing, drive-by-wire response, torque converter lockup, and transmission shift pressures. The result? A stronger, smoother, and more efficient Super Duty 5.4L.
SCT X4 Device Features
- Stores up to 10 custom 5 Star tunes
- Full-color LCD with simple navigation
- Reads and clears diagnostic trouble codes (DTCs)
- Live engine parameter monitoring (RPM, temps, voltage, etc.)
- Datalogging capability for precision adjustments
- Restore your truck to stock tune anytime
Simple Installation
No shop visit or tools requiredjust plug the SCT X4 into your trucks OBD-II port and follow the on-screen prompts. Installation takes only 510 minutes.
Custom Tuning Process
- Order your SCT X4 and provide vehicle details at checkout.
- Use the device to read your ECU strategy code, then email it to 5 Star Tuning.
- Well create your custom tunes and deliver them via Google Drive.
- Load the tunes onto your SCT X4 and program your truck in minutes.
Important Notes
- SCT software is Windows-only. For other operating systems, we recommend the SCT BDX (Wi-Fi capable).
- Buyer is responsible for ensuring compliance with federal, state, and local emissions laws.
Fitment:
- 2005 Ford Super Duty 5.4L
- 2006 Ford Super Duty 5.4L
- 2007 Ford Super Duty 5.4L
- 2008 Ford Super Duty 5.4L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
