You'll be fine. You're not helping performance any. Your front tire sidewall will look like a bubble, especially so with certain tires. Better than stretched IMO. Get proper sized tires for your wheel width if you want to improve handling characteristics.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |