GEORGE BERTIS

I HAVE A STORM G4 I HAVE TAKE IT FROM A FRIEND THAT HE SELL THE CAR ITS HER CAR 1600 WRX I HAVE STI 2000 CC AND ITS NOT PLUG N PLAY THE ECU HOW CAN I PUT IT TO MY CAR AND IF IT HAVE variable timing for my car have?I will not to cut wires if there adapters to get into my car and if there are differences from g4storm to g4storm plug play.thank you!!