Quote:
Originally Posted by steved0x
The stock diameter for our 986 front tires is 25", so out of those two choices 215/45/17 is the closest but still under, and 215/40/17 is shorter. If you go to 225/45/17, it is right at 25", same diameter as the stock 205/50/17 fronts. I am running 225/45/17 fronts on my Boxster. They look better and in my opinion they handle better, better grip up front and less understeer, and if you are looking for performance tires (which you say you are not) it really opens up a lot of choices are there are very few 205/50/17 Extreme Summer tires.
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Are you running the 225/45/17's on the stock rims? The recommended rim width for that size is 7.5 at the narrowest, but the stock rims size is 7.0.
If you are running the stock rim size, have you noticed any issues with the slightly too-narrow rims with those tires? Do they rollover on the rim when running hard?