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Change log
v1.0 — 2025-06-23
• Initial release of a high-performance Stage 2 calibration for the Porsche Cayman GT4 (SDI9).
• Optimized for vehicles with a full sports exhaust system for maximum track performance.
Release notes
v1.0 — 2025-06-23
• Package includes Original + Stage 2 binaries
• Confirm ECU production number 98161866006 before flashing
• IMPORTANT: Requires upgraded hardware (high-flow/decat headers and full exhaust system) for correct operation.
• Designed for a mechanically modified vehicle; high-octane fuel required
• For off-road or competition use ONLY
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