UPDATE AS OF JANUARY 2021. Unfortunately, iWire is no longer building harnesses for standalone ECUs to focus on stock ECU applications. Due to the fact the swap will not work 100% as it did from the factory, we can't put our name on this, so we no longer build...

There can be a lot of confusion about Subaru JDM engine codes and version numbers, so we thought we would list the versions and their specs. This is a very general guide but should provide some insight.   Version means which version of the Subaru Impreza it is. V1 is...

  If you are looking for information about the newer JDM Engines, 2001+ please check out this POST   NOTE: As of January 2021 we are longer wiring Version 1 through 6 engine swaps. Customers have had problems not only getting the swap going but also keeping them running due to...