I had 255 45 17s on my stock Tri-bar rims and for some reason decided to put the 245 45 17's on the Cobra R replicas and man do they look small in the whell well. I took it out tonight post snow flurries and can't really tell how well they are going to hook up.....

. Thank you Ford for giving us more than enough room to run snow chains... but most of us don't drive our Mustangs in the snow
. Even lowered quite a bit, I think it would be quite a while before diameter would become the issue
.
) on my DD. Both tires are exactly the same spec. The Michelins looked like they were clearly undersized (had that stretched look), but the Kumhos look just right.