You certainly can go wider without having any clearance problems. If you go wider than 225 you may need to get wider rims. Going from 205 to 225 was a noticeable improvement in understeer for me and I'm not sure I'd go much wider.
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2000 Black Boxster S
EVO Intake & GIAC Tuning
Headers & Porsche Sport Exhaust System
ROW M030 Suspension
Front & Rear Strut Braces
B&M Short Shift & EVO Billet Linkage
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