Stage 2 Focus RS 2.3T — MED17.2.2 Bosch — ECU Tune 14C204

Change log

  • v1.0 — 2025-07-28
    • Initial release of a Stage 1 & 2 tuning package for the Ford Focus RS (MED17.2.2).
    • Provides a full tuning path for both stock and modified vehicles.

Release notes

  • v1.0 — 2025-07-28
    • Package includes three files: Original, Stage 1, and Stage 2.
    • Confirm ECU production number H1FA-14C204-UE before flashing.
    Stage 1: For a mechanically stock vehicle. High-octane fuel recommended.
    Stage 2: Requires a high-flow downpipe, upgraded intake, and intercooler.
    • Stage 2 file is for off-road or competition use ONLY.​
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