305 on the 10 inch wide rear sport rims is about the widest you want to go. Any wider and you risk the danger of rolling your sidewall. Plus the tires look goofy with a big bulging sidewall.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |