My top hat broke around 80K miles. I know several that broke under 20K. I don't think 90st (forum member who put damn near 250K miles on his Z) ever had an issue with his.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed |
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