Here in australia they all recommend the Blitz SBC i-D. Dunno if it's expensive there in malaysia. But it seems that you can set the thing in auto mode, set your max boost .. and everytime you boost it will configure the gain and etc automatically ..
got a pair of R34 xenon headlamp complete with ballast for sale. taken out from a BNR34 halfcut in Japan. items in good condition without dent & scratches.