Faster and Easier to Use than Ever Before

From the team that brought you The Fuelpak FP3, the best-selling ECU tuner in the world for Harley-Davidson motorcycles, the Vance & Hines FP4 is the most intuitive tool on the market, giving you the power to control your motorcycle’s tune, view live sensor data, read and clear trouble codes, and offers the best-in-industry support from our FP4 technicians, all from your smartphone.

The Vance & Hines FP4 was launched with our legendary fuel tuning and performance for 2021-2022 Harley-Davidson Touring, Softail, and CVO models, with all new features, and the ease of use you expect from Vance & Hines.

Now the next generation FP4 tuning platform is also available for all CAN-Bus Harley-Davidson models including 2014-2020 Touring, 2011-2020 Softail, 2012-2017 Dyna, 2014-2022 Sportster and 2014-2020 Street.

SEE FP4 FITMENT & FAQ HERE

Discover the Difference With the FP4 Tuner

Download the intuitive FP4 app to your compatible iOS or Android device and wield the power to tune your bike right in your pocket

*AutoTune currently unavailable for the iOS App

Refine the Riding Experience

FP4 Mobile App Home Screen

Select Your Upgrades

Store Up to 6 Custom Maps

Autotune Capability

Monitor your ride

Keep an eye on your motorcycle’s vitals right in the Vance & Hines FP4 app. The ability to read and diagnose trouble codes, as well as the ability to view live sensor data in real-time will allow you to keep a finger on the pulse of your machine.

Improved Auto Tune Feature

AutoTune

The improved AutoTune feature is a powerful tool that allows you to tune your bike while you ride using data collected from the stock O2 sensors for any air cleaner and exhaust combination you can throw at it. Simply flash the bike into AutoTune mode, enjoy your ride, and flash the collected data back into your ECM once you’re back home.

Advanced Tuning

For advanced users, the FP4 gives you full access to critical ECU tables right in the app. Change your idle RPM, raise your rev limit, or adjust tables including VE, Target Air Fuel Ratio, and Spark Advance, all from your smartphone.

SEE FP4 FITMENT & FAQ HERE

FP4 Tuner

Vast library of Dyno Tuned Maps

Choose from an expansive collection of 49-State Emissions Compliant maps dyno-tuned in-house by Vance & Hines in the Santa Fe Springs performance tuning center, calibrated for your specific combination of motorcycle and performance parts.

Unleash Real Potential With the FP4 Tuner

Download the intuitive FP4 app to your compatible iOS or Android device and wield the power to tune your bike right in your pocket

*AutoTune currently unavailable for the iOS App