5 Star Custom Tunes w/ SCT X4 Device (20202023 Class A Motorhome 7.3L)
Unlock the full potential of your Ford Class A Motorhome 7.3L with 5 Star Custom Tunes and the SCT X4 Device. Factory calibrations are designed for the average driver, leaving valuable horsepower, torque, and drivability untapped. Our custom tuning re-maps your PCM for more power, better throttle response, optimized shift points, and improved efficiencyall tailored to the demands of large motorhomes.
Why Tune Your Class A Motorhome?
- Gain hidden horsepower & torque from the 7.3L Godzilla engine
- Improved throttle response for merging, passing, and hill climbs
- Smoother, firmer transmission shifts
- Enhanced towing and hauling performance
- Better efficiency and drivability on long trips
Why Choose 5 Star Tuning?
5 Star Tuning is the industry leader in Ford and GM RV, truck, and SUV performance tuning. We dont use cookie-cutter calibrationseach tune is custom tailored to your vehicle, your modifications, and your driving needs. Whether you want more pulling power, smoother highway manners, or maximum efficiency, 5 Star delivers performance without sacrificing reliability.
Proven Results
Every tune is dyno-proven, road-tested, and refined through millions of miles. From cross-country hauls to steep mountain climbs, 5 Star tunes have been validated under real-world conditions.
Free Tunes for Life
Add new upgrades? No problem. With the Tunes for Life Program, your tunes will be updated at no cost for as long as you own your motorhome. Stay optimized as your setup evolves.
Performance Benefits
- Stronger low-end torque and mid-range pull
- Elimination of the factory speed limiter
- Improved throttle control for heavy RVs
- Smoother and more responsive transmission performance
- Increased confidence when towing or climbing grades
How We Do It
- Fuel and spark table optimization
- Drive-by-wire throttle recalibration
- Torque converter lockup improvements
- Shift pressure and strategy adjustments
SCT X4 Device Features
- Simple plug-and-play OBD-II installation
- Holds up to 10 custom tunes
- Monitors live engine data: RPM, temps, speed, and more
- Datalogging capability for future mods
- Return to stock at any time
Easy Installation
- Order your SCT X4 device and provide vehicle info.
- Plug into the OBD-II port and retrieve your ECU strategy code.
- Email your code(s) to 5 Star Tuning.
- Receive your custom tunes, load them onto the X4, and flash your motorhome.
The entire process takes just 510 minutes and requires no tools.
Support & Compatibility
Need help? Call 1-855-827-7223 or email sales@beefcakeracing.com. Note: SCT software is Windows-based. For Wi-Fi support, consider the SCT/Bully Dog BDX.
Legal Notice
By purchasing this tuner or tune, you agree to ensure compliance with all U.S., Canadian, and international emissions and safety regulations. 5 Star Tuning and Beefcake Racing assume no liability for misuse or violations.
Fitment:
- 2020 Ford Class A Motorhome 7.3L
- 2021 Ford Class A Motorhome 7.3L
- 2022 Ford Class A Motorhome 7.3L
- 2023 Ford Class A Motorhome 7.3L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
