You need one flash killer for each side of the motorcycle (2 flash killers for one motorcycle). The flash killer ensures that the indicators on one side of the motorcycle are operating in the same frequency. Moreover, it ensures that there is no "defective bulb" error message in the speedometer.
This LED auxiliary headlamp kit (including crash bar...
This bulb for the parking light provides a bright white...
Bulb 12V 60/55W P43T T16X75 C-8/C-8 H4 UVS HD HIGHLIFE, H4...