hi can any one advise me on what model apexi power commander or other mod to the ecu i need for a 1996 uk impreza.the only thing is ive been told the ecu thats in my car now is a 1997/1998 serial no.(8S 22611AD190 A18-000 D37 6718) 3 plug ecu.I bought a chip to fit my self but found out after i took the lid off it can't be done on this ecu so any advise would be great.

 

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