Hi, i am a new member and i am saying hi to every body. and i have a question,
how can i make my gs430 more fast by programing the ECU, i have air intak and i would like to know if there is a place that i can program my ECU. i live in michigan, but am willing to go any place in order to program my ECU for more speed. thanks in advance.

 

Welcome to the club, heres a good place to start https://www.clublexus.com/forums/gs-models-4/

 

thank u very much and thanks for the info