The LPC Hayabusa ECU Air Shifter Kill Harness is to be used to kill the iginition thru the factory ecu. This set-up can be used in place of a "T-Kill" or other Ignition Kill Systems. Made with quality parts, including OEM type connectors this part is a great way to realiably kill the engine for smooth shifts on your drag race or street motorcycle. This set-up includes Lees performance flashing your customer supplied ECU.Purchasing this product requires you sending LPC your ecu.