Fuelpak FP4 vs Screamin' Eagle Street Tuner Usage & Stats
Tune your Motorcycle with your iPhone!
Vance & Hines FP4 makes your iPhone one of the most powerful flash tuners available. You've already selected the best exhaust system for your bike, now complete the package with the FP4 for optimized performance.
With this app and the required hardware you can:
- Download dyno tuned maps specific for your bike/pipe combination
- View live sensor data
- Read and Clear Diagnostic Trouble Codes
- View downloaded maps and flash back to stock settings
- Access to informational videos and customer support features
At any time, if you need assistance tuning your Bike, you can upload your map to a Vance & Hines Customer Service Representative for review and download the recommended changes.
- Apple App Store
- Free
- Utilities
Store Rank
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The Screamin' Eagle Street Tuner App is for use exclusively with the Screamin’ Eagle® Pro Street Tuner Bluetooth communication module that is sold as an accessory for select Harley-Davidson® models.
The Screamin’ Eagle® Street Tuner App is designed to simplify management of engine operating parameters as performance modifications are made. Once the Tuner hardware module is installed, this app allows you to upload the latest Engine Control Module (ECM) calibrations to match your bike’s state-of-tune or perform a Smart Tune session to tailor the base calibration to your custom ride.
• Download Screamin’ Eagle® calibrations from a vast calibration library
• Perform a Smart Tune session* to tailor the calibration
• Store run-time data
• View performance gauges and vehicle data
• View and clear diagnostics functions
*Smart Tune not available in all markets.
- Apple App Store
- Free
- Utilities
Store Rank
- -
Fuelpak FP4 VS. 
Screamin' Eagle Street TunerJanuary 17, 2026