Quote Originally Posted by kyle99gtp View Post
The 05-07 STi's stock wheel width is 8" and the stock tire size is 225/45/17. I'd say he's fine running a 225 if Subaru Technica International puts tires that size on their cars.

I'm running 225/45's on both of my 17x8 sets of wheels. Thought about getting 245's just for the look but have no reason to.
Lets take the pilot sport a/s plus:

225/60r16 6" - 8" as per manu.

225/45r17 7" - 8.5" as per manu.