For domestic competition. Without restricter. For GSR. Japanese Domestic High-octane Gasoline(98RON)
*cut off both speed limiter and over-boost control for maximize the engine potential * waste-gate control change * Fan control adjustment for cooling uplift * A/F modification coefficients, timing of ignition adjustment * exhaust temperature regulation value change
**Need to tell us Your car's ECU or VIN number
in some cases won't fit European models
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