it use together with Microtech LT10s ... it replace the OEM igniter. If you using others Standalone ECU and using stock igniter , you can replace it with this X4 also .
For the Original ECU , I not sure can use this X4 or not.
Im searching for this turbine, anyone who has and planning to sell it, or that thing just stuck in ur store room, u might want to let it go, just call or msg me ;)