Stage 1 Subaru Impreza WRX STI 2.5L Turbo Stage 1 + Decat ECU Tuning File – Denso 4D42594006 A8DK100Z 4D425

Change log

  • v1.0 — 2025-05-24
    • Stage 1 + Decat and Stage 1 calibrations
    • Denso A8DK100Z performance mapset
    • Boost, fuel, spark & throttle optimisation
    • Kess V2 compatibility ensured
    • Checksum fixed, flash-ready
    ​

Release notes

  • v1.0 — 2025-05-24
    • Stage 1 + Decat and Stage 1 calibrations
    • Denso A8DK100Z performance mapset
    • Boost, fuel, spark & throttle optimisation
    • Kess V2 compatibility ensured
    • Checksum fixed, flash-ready
    ​

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