My suggestion is you get rid of the OEM CSC. ZSpeed offers a heavy duty version, and Z1 Motorsports offers a CSC delete kit. I just ordered the Z1 kit earlier this week.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |