hks fuel cut defencer
its more for use in boosted cars that have a stock fuel cut when boost exceeds a certain threshold, i dont think you would want to use it to raise your rev limit as it does not provide new a/f and timing maps for the higher rpms, if you would like a higher redline technosquare has a limited spec reflash for rpm, speed governor, and something else for like $300 about what you would pay for the fcd installed
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