Vance and Hines Fuelpak FP 3 For Harley J1850 The Vance & Hines Fuel Pack FP3 brings top level tuning right to your finger tips with its revolutionary Bluetooth connectivity. It has never been more simple to re-calibrate your Harley-Davidsons fueling. You can select from a large library of exhaust and air cleaner options to tailor the tune for the customizations to your bike. The FP-3 also offers an Autotune feature which can account for riding styles and air temperatures all while you ride, making things better as you go. While the FP-3 is plugged in, you can view live sensor data on your smartphone or tablet. Choose to display speed, RPM, power, torque, cylinder head temperature, voltage and other pertinent information, all on the free Vance and Hines application. Diagnostic Trouble Codes can also be read and cleared with the FP3. Features Recalibrates ECM by flash tuning Autotune feature for added tuning precision Can display live sensor data while riding Can be removed from bike if live data or autotuning is not needed 4 Pin J 1850 connector Instructions included V&H part # 66007 Made in the USA Note This item can not be returned once the package has been opened. Manufacturing defects must be handled through Vance & Hines direct. Instructions may vary depending on model.