IIRC they made two different versions, and the earlier versions were much more prone to failure due to thinner webbing.
Plus their customer service was pretty piss poor for those whose pulleys failed. Left a sour taste in the community.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |