View live sensor data, read and clear trouble codes, utilize a live sensor data display and offers best in industry support from our FP4 technicians, all from your smartphoneLegendary fuel tuning and performance to your CANBUS Harley-Davidson models, with all new features, and the ease of use you expect from Vance & HinesLive Data in the FP4 App has been upgraded with a whole new look, and an additional gauge to track more crucial data while you rideBuilt from the ground up Android and iPhone apps feature a new rider interface and are easier to navigate and use than ever beforeThe unit’s LEDs have been simplified so you know exactly what’s going on between the FP4 and your motorcycleNew FP4 hardware is smaller and thinner than the previous generation electronics product49-state emissions compliant