it is possible to install but you need to buy a complete new dashboard with airbag function but make sure your J spec is with airbag function, this will cost you a bomb.

last time i got ask SA his comment is will void the warranty due to the size of rims and tire is not same will cause the speedometer not accurate reading....

for the tire warranty if where is no checking or advise done in SA warranty will not proceed this apply to all and warranty had been revise.

most of the us not clear about warranty.... alot of us only know 100k mileage or 3 years for new car....

the last discussion with the SA, they comment some parts warranty only cover for 40k mileage, as every 1 remember last time vios07 provide goodyear GTS tire got problem so they replace that tire to better model. after that any user complain on tire uneven wear this issue will not be replace unless u got check at SA.