JDM EK9 Civic Type R 97spec Auto Aqu B16B PCT ECU. ECU is in great working condition, with original seal. The Auto Aqu ECU optimizes performance by lowering the VTEC crossover to around 5,600 RPM, raising the rev limit to 8,900 RPM, advancing fuel and timing maps, and removing the 180 km/h factory speed limiter. Installing this ECU significantly increases engine performance by modifying fuel maps and lifting speed/rev limiters, but it demands careful heat management through an upgraded cooling system to maintain optimal water temperatures. To fully realize these performance gains and prevent engine damage, your vehicle must also be in excellent mechanical condition with strong engine compression. Auto Aqu was an old school tuning shop out of Hyogo, Japan. Actual pictures shown. OBD2A B16B EK9 ECU removed from the 97spec Civic Type R 5-Speed. Actual pictures shown.
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