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Change log
v1.0 — 2025-06-09
• Added Stage 1 and Stage 2 variants with Sport-button switchable maps
• Vmax off, EGR off, boost & load limiters raised
• Pop-and-bang optional in Sport mode
• CVN patch and checksum correction implemented
Release notes
v1.0 — 2025-06-09
• Packaged for Astra-J 1.4 Turbo owners wanting multiple power levels without hardware changes
• Compatible with stock internals and factory turbo; verify clutch health before flashing
• Install via OBD or bench with any Delco5-capable tool
• Ensure ECU numbers 55581098 / 55581159 and software 55581092 match before programming
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