• 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 smartphone
• Legendary fuel tuning and performance to your CANBUS Harley-Davidson models, with all new features, and the ease of use you expect from Vance & Hines
• Live Data in the FP4 App has been upgraded with a whole new look, and an additional gauge to track more crucial data while you ride
• Built from the ground up Android and iPhone apps feature a new rider interface and are easier to navigate and use than ever before
• The unit’s LEDs have been simplified so you know exactly what’s going on between the FP4 and your motorcycle
• New FP4 hardware is smaller and thinner than the previous generation electronics product
• 49-state emissions compliant

NOTE:  Not legal for sale or use in california on any pollution controlled motor vehicles.