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Old 12-07-2008, 05:32 PM   #1
Hokie-wrx wagon
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Join Date: May 2005
Chapter/Region: MAIC
Location: Herndon, VA
Default 225/45/17s ok for winter tires on the '08 STI?

I just bought an '08 STI yesterday. I found a set of 225/45/17 Michelin Aplina winter tires locally that I'm going to mount on 17s that will clear the brakes. I just realized that the current tires on the sti are 245/40/18s. Are 225/45/17s going to cause problems for me? I know the speedo will be off by 2.6%. I should've researched before I bought them ... I should've gotten 225/50/17s.
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Old 12-07-2008, 09:05 PM   #2
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Member#: 8365
Join Date: Jul 2001
Location: Massachusetts
2013 Ford Focus SE


I think the biggest issue will not be the fit as smaller tires do not present such problem.
Check load index but I think you should be fine.


PS Verify that used tires are uniformly worn, check circumference of each tire (I assume that your winter tires are used).
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Old 12-07-2008, 09:23 PM   #3
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2007 STI RIP


The secret about "snow tires" is to go with a taller tire with a thinner width. For example: 225/45/17 is what I have on my STI from the factory. I purchased a set of Michelin snow tires in 215/50/17. Wide tires do not go well with snow or rain.

p.s. I bought my new Michelin snow tires from Tirerack CHEAP!!! ($104 each)
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