Wasn't sure where to post this. Feel free to move it as you see fit.

http://opposedforces.com/parts/impreza/

This was posted on my local forum by another member and has been the best i've seen. Very detailed with full blow ups of just about everything from 92 - current MY. It also has other subaru models as well. I searched around on here and didn't really find much besides the one that Mango posted here in post #19 (which is also very helpful)..

ShadowPR gets a new hobby and learns a few things

Anyway, hope it's not redundant and can be of some use. Enjoy.