VAC TYPE CM45002 AM002 MITSUBISHI LANCER EVOLUTION 2008 4B11 VAC Type CM is a device that cancels speed limiter of LANCER EVOLUTION X (5MT SST) for circuit driving. CANBUS signal, which controls whole vehicle systems, will be used for cancellation of speed limiter. Thus, speed limiter is cancelled safely and surely. Only 2 CANBUS signal wires, power supply and ground wire should be connected Function Speed limiter cancellation. Option speed signal output.