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ECU differences between 02-03 & 04-05 WRX's?

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Old Jul 3, 2004 | 06:54 PM
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ECU differences between 02-03 & 04-05 WRX's?

Just out of curiousity is there any differences between the ECU's from the 2002-03 model from the newest model 2004-05 WRX's?
Old Jul 3, 2004 | 07:34 PM
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Car Info: 02 Impreza WRX sedan
Moved your post to Engine Management forum.

They are different. I don't know the specifics but reflashing software must correspond to the correct model year and/or VIN of your Impreza.

Here is one post that explains some ECU tuning differences but not the hardware.

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