I know of 28 JDM SVXes in Britain, there are sure to be others.
Earl, I understand that the process of importing a JDM SVX into the USA can be rather complicated. Since you are a pioneer, could you create a thread and document everything that you do so that other members wishing to do the same thing can refer to it.
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Subaru ECU and TCU Website
1992 Alcyone SVX Version L
1992 Alcyone SVX Version L
1994 Alcyone SVX S40-II
2004 Subaru Legacy 2.5 SE Sports Tourer
1996 Subaru Legacy 2.2 GX Wagon
1988 Subaru Justy J12 SL-II