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How to Install a New ECU (1993-2001 Impreza) | Subaru DiY

How to install a new Subaru Impreza 2.5RS/GC8 ECU (applies to all 1993-2001 impreza models). I also provide some background on why I need to install a new ECU for my 1998 2.5RS with a swapped 2004 WRX engine; CA BAR (Board of Air Resources) requirements for legally registering an engine-swapped vehicle. Thanks for checking […]

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