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.
Listen to the roars of the Japanese nostalgic cars circling around Autopolis track in Kyushu, Japan. The sound of the high pitched S20 engine from the Nissan GT-R is equally as orgasmic as its modern day...