Ah, here we go, finally got a good lead. These guys build destroked engines
http://www.maxwellpowerservices.com/
http://forums.nasioc.com/forums/show....php?t=1941158
520/447 whp/tq on 92 octane @ 21psi. Apparently they have quite a few builds spinning 9K rpms and up....
LOTS of good info in
this post, as well.
Definitely provides some options for the STi