Mustang GT 5.0 V8 | EMS24xx CAF807C0F807C000F807C031 Siemens | ECU Files 14C204 Stage 2 

Change log

  • v1.0 — 2025-08-03
    • Initial release of a Stage 2 tuning package for the Ford Mustang GT 5.0L.
    • Includes both a standard Stage 2 and a full-feature decat/Pop & Bang version.
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Release notes

  • v1.0 — 2025-08-03
    • Package includes three files: Original, Stage 2 + Vmax, and Stage 2 + Vmax + Decat + Pop & Bang.
    • Confirm ECU production number GR3A-14C204-DBA before flashing.
    • IMPORTANT: Stage 2 requires an upgraded exhaust system (headers/downpipe) and a performance intake.
    • The Decat file requires physical removal of the catalyst to prevent damage.
    • For off-road or competition use ONLY.​
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