225/45/17s ok for winter tires on the '08 STI?

Hokie-wrx wagon · 12-07-2008, 05:32 PM

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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krzyss · 12-07-2008, 09:05 PM

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.

Krzys

PS Verify that used tires are uniformly worn, check circumference of each tire (I assume that your winter tires are used).

cpunlamd · 12-07-2008, 09:23 PM

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)

12-07-2008, 05:32 PM	#1
Hokie-wrx wagon Scooby Specialist Member#: 87194 Join Date: May 2005 Chapter/Region: MAIC Location: Herndon, VA Vehicle: 2008 Impreza WRX STI Spark Silver Metallic	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. * Registered users of the site do not see these ads.

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12-07-2008, 09:05 PM	#2
krzyss Scooby Specialist Member#: 8365 Join Date: Jul 2001 Location: Massachusetts Vehicle: 2005 Legacy GT Ltd Atlantic Blue	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. Krzys PS Verify that used tires are uniformly worn, check circumference of each tire (I assume that your winter tires are used).

12-07-2008, 09:23 PM	#3
cpunlamd Scooby Specialist Member#: 151360 Join Date: Jun 2007 Chapter/Region: Tri-State Location: Eagleville, PA Vehicle: 2007 STI RIP 2013 EvoX/2010 GTR	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)