Hi guys, been searching for the answer on this question of mine, but I can't exactly get the answer i need. Do I need to tune vr4rs if using evo 609 MAF since vr4rs is also using 510's injectors.
dude i have own a engine where runnig turbo dvvt system
i have add on an e-manage system
in terms of igination n timing can't be use/control following by the tuner/installer tell