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Change log
v1.0 — 2025-08-23
• Initial release of the Stage 1 tuning package for the Subaru WRX STI with Denso ECU.
• Provides two variations: a standard performance tune and one with an added Pop & Bang feature.
Release notes
v1.0 — 2025-08-23
• This package contains the Original file, a Stage 1 file, and a Stage 1 + Pop & Bang file.
• Please verify that your ECU software number matches before writing.
• This tune is designed for a vehicle with stock hardware. No mechanical modifications are required.
• Pop & Bang feature is for off-road/motorsport use only.
• High-octane fuel (98 RON / 93 AKI or higher) is strongly recommended for optimal performance.