Selling my ECU code 6123 for Mitsubishi 4g9x engines... Just plug and play, no need modify any wiring... This ECU has higher rev cut, so after installing this the RPM can reach 8k rpm...(not sure the limit, but my meter till 8k and can rev till maximum) Anyone interested pls Whatsapp/sms me... I don't log in forum frequently, Thx...