HARLEY Twin Tuner II EFI Controller Fits 2012-2017 FXST, with Can Data Bus 2012-2017 FLST, with Can

Twin tuner II features all the same functions as the original Twin tuner and includes ignition timing control compatibility. Easily adjusts the OEM fuel injection controller and ignition to match the requirements of performance parts. Allows the use of the up and down buttons to make fuel trim adjustments and the valve is displayed on the LED board. Also has advanced mode that will allow the tuner to make precise adjustments to each cylinder. Requires optional USB Interface cable. Compatible with Twin Scan II tuning aid. *NOTE: Not legal for sale or use in California or on pollution controlled vehicles. FITS HARLEY: 2012-2017 FXST, with Can Data Bus 2012-2017 FLST, with Can Data Bus 2012-2017 FXD, with Can Data Bus