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 2021-24 Harley-Davidson Touring, Softail, and CVO models, with all new features, and the ease of use you expect from Vance & Hines.
