Stage 1 Audi TT Mk2 2.0 TFSI ECU File – MED9.1 386455 SW 0020 ( Upgrade) 0261S02084

Change log

  • v1.0 — 2025-06-01
    • Stage 1 file for 2.0 TFSI MED9.1
    • Power and torque curves adjusted
    • Enhanced throttle response
    • No checksum included
    • Output estimated at ~247hp​

Release notes

  • v1.0 — 2025-06-01
    • Performance boost for Audi TT 2.0 TFSI without affecting emissions system
    • Perfect for stock hardware setups looking for a refined upgrade
    • Stable operation and validated dyno performance​

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