Stage 2 Audi S3 2.0 TFSI SIMOS18 Stage 2 + Decat High Altitude Tuning File (400Hp) SC800H6300000

Change log

  • v1.0 — 2025-05-18
    • Initial Stage 2 + Decat tuning with high-altitude adaptation
    • Torque and boost strategy retuned
    • Catalyst DTCs disabled
    • Dyno-tested for 400Hp/530Nm output
    • Partial file ready for Kess V2​

Release notes

  • v1.0 — 2025-05-18
    • Stage 2 + Decat tuning variant (high-altitude optimized)
    • Target output 400Hp / 530Nm
    • Compatible with Alientech Kess V2
    • Developed and verified by Dyno Chiptuningfiles
    • Ready for flash with partial SIMOS18 support​

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