17's vs. 18's performance

[Brucelee]

I don't see how this would be possible!

Originally Posted by KronixSpeed

correct me if im wrong...i ve been told 17 to 18 ....you lose 1second off your 0-60
and for a porsche boxster...this is not good. i too am considering this 17 to 18 change in rim size. my car is lowered 1.3 inches and with an 18 inch rim...look out.

i say get the 18, but find the lightest rim on the market...