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Old 02-17-2012, 01:33 AM   #1
Scooby Specialist
Member#: 232430
Join Date: Dec 2009
Chapter/Region: SCIC
Location: On the Left side
555 XTi
1 AW & 1 CGM

Default 04/05 ECU & Harness Compatibility questions

I have an 06 2.5i that im looking to swap my complete EJ257 into.

My question is, since the 2.5i doesnt have the immobilizer do i HAVE to use a 04 harness and ECU?

Or can i use any year (04-07) STi harness and just use a 04 ECU??

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