Originally Posted by Need4Speed
20s look good on the IS IMO
just depends if you guys are willing to lower.
Once its lowered it looks spot on !
the tire stretch is not that bad either 255/30/20 doesn't mean itll have the rim poking 1 inch out beyond the tire
its not a big stretch but gives less support on the wheels. especially a 225/30 or 235/30 in the front that is a small tire. reflectors must feel like speed bumps