If you’re thinking of replacing the factory head unit on you Perodua Myvi (1st Generation Myvi) then you may need a dash kit.
This stereo dash kit will fit a Toyota 200MM side head unit and even the Universal Double DIN (18cm wide) head units, with the right accessories if required.
Check out our product page for more info here https://www.fasmoto.com/perodua-myvi-toyota-passo-double-din-200mm-black-car-stereo-installation-dash-kit-al-pr-013