5 Star Custom Tunes w/ SCT X4 Device (1999 - 2004 Ford Super Duty 6.8L)
Take your Ford Super Duty 6.8L V10 to the next level with 5 Star Custom Tunes paired with the SCT X4 tuner. Factory calibrations are built for the average driver, leaving horsepower and torque untapped. With 5 Star, youll enjoy sharper throttle response, optimized shift points, better towing performance, and improved fuel efficiencytransforming your Super Duty into the powerhouse it was meant to be.
Why Choose 5 Star Tuning?
We are the leaders in Ford and GM custom calibrations, with a reputation built on precision tuning and proven reliability. Every tune is tailored to your needswhether you want more towing torque, better fuel economy, or track-ready horsepower. Reliability is never sacrificed, ensuring your truck performs at its best in every scenario.
Dyno & Road Tested
Our calibrations are not generic. Each tune is dyno-developed, road-tested, and tow-tested across more than a million miles of driving on our own vehicles. This real-world validation guarantees safe, consistent performance for your Super Duty.
Free Tunes for Life
When you upgrade your truck with new performance mods, weve got you covered. As a Tunes for Life member, your recalibrations are free for as long as you own the vehicle. This keeps your 6.8L V10 always optimized for maximum power, torque, and efficiency. For program details, call 1-855-827-7223.
Performance Gains Youll Feel
- Stronger towing power and torque for heavy loads
- Faster throttle response and smoother acceleration
- Cleaner, firmer shift points for improved drivability
- Enhanced fuel economy under load or cruising
- Removal of restrictive factory speed limiter
How We Unlock Performance
5 Star tunes refine fuel mapping, ignition timing, drive-by-wire response, torque converter lockup, and transmission shift pressures. The result is a noticeable upgrade in both everyday driving and heavy-duty applications.
SCT X4 Device Capabilities
- Stores up to 10 custom 5 Star tunes
- Reads & clears DTC trouble codes
- Monitors live engine parameters (RPM, coolant temp, speed, etc.)
- Supports datalogging for advanced tuning refinement
- Keeps a backup of your factory tune for easy return to stock
Easy, No-Shop Installation
Installation is quick and simpleno special tools or shop visit required. Just connect the SCT X4 to your OBD-II port, follow the on-screen instructions, and youll be tuned in 510 minutes.
The Tuning Process
- 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 create your custom tunes and send them via Google Drive.
- Load the files to your SCT X4 and flash your truck following on-screen prompts.
Important Notes
- Compatible with Windows OS. For non-Windows systems, the Bully Dog BDX (Wi-Fi enabled) is recommended.
- By purchasing, you assume responsibility for compliance with all emissions and safety laws. 5 Star Tuning is not liable for misuse or violations.
Fitment:
- 1999 Ford Super Duty 6.8L
- 2000 Ford Super Duty 6.8L
- 2001 Ford Super Duty 6.8L
- 2002 Ford Super Duty 6.8L
- 2003 Ford Super Duty 6.8L
- 2004 Ford Super Duty 6.8L
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