5 Star Custom Tunes w/ SCT X4 Device (20202023 Class C Motorhome 7.3L)
Transform the way your Ford Class C Motorhome 7.3L drives with 5 Star Custom Tunes and the SCT X4 Device. From the factory, your PCM is programmed for average driving conditionsnot the demands of a heavy Class C RV. Our custom tunes recalibrate your motorhome for increased horsepower, torque, throttle response, shift quality, and efficiency, making long trips, towing, and mountain driving smoother and more enjoyable.
Why Tune Your Class C Motorhome?
- Unlock hidden horsepower & torque in the 7.3L Godzilla engine
- Stronger throttle response for better drivability on highways and grades
- Improved transmission shift strategies for heavy loads
- More confidence when towing trailers or gear
- Optimized fuel efficiency for long-distance trips
Why Choose 5 Star Tuning?
5 Star Tuning is the trusted leader in Ford and GM RV tuning. Each tune is custom-built for your setup, not a generic calibration. Whether you want smoother highway driving, stronger towing performance, or maximum efficiency, 5 Star ensures performance with reliability.
Proven Performance
Our tunes are dyno-tested, street-driven, and validated across millions of miles. From mountain passes to coast-to-coast road trips, every calibration is refined for real-world use.
Free Tunes for Life
Add new upgrades in the future? With Tunes for Life, well update your custom tunes at no extra cost for as long as you own your motorhome. Stay optimized no matter how your setup changes.
Performance Benefits
- Better acceleration and throttle feel
- Eliminates factory speed limiter
- Smoother, more responsive transmission behavior
- Improved torque for towing and hill climbs
- Greater efficiency for highway cruising
How We Do It
- Optimized fuel and spark mapping
- Drive-by-wire recalibration
- Shift strategy and pressure refinement
- Torque converter lockup adjustments
SCT X4 Device Features
- Easy plug-and-play OBD-II installation
- Holds up to 10 custom 5 Star tunes
- Monitors live data: RPM, temps, speed, and more
- Datalogging support for advanced tuning
- Return to stock at any time
Simple Installation
- Order your SCT X4 device and provide vehicle details.
- Plug into the OBD-II port and retrieve your ECU strategy code.
- Email your codes to 5 Star Tuning.
- Receive your tunes, load them onto the X4, and flash your RV.
Installation takes just 510 minutesno tools required.
Support & Compatibility
For technical help, call 1-855-827-7223 or email sales@beefcakeracing.com. Note: SCT software requires Microsoft Windows. For Wi-Fi updates, the BDX device is recommended.
Legal Notice
By purchasing this tuner, you agree to comply with all emissions and safety regulations. 5 Star Tuning and Beefcake Racing are not liable for misuse or violations.
Fitment:
- 2020 Ford Class C Motorhome 7.3L
- 2021 Ford Class C Motorhome 7.3L
- 2022 Ford Class C Motorhome 7.3L
- 2023 Ford Class C Motorhome 7.3L
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