Spotted this on the Internet, thought it be very handy to anyone who's considering it
OEM STi Roof Vane Install - i-Club - The Ultimate Subaru Resource
How Tos / Installations - OEM STi Roof Vane Install - Ok, so after a long wait, I finally got an OEM roof vane. There was also a lack of any good writeups on how to do this mod so here's my experience with this. Oh, and this is my first writeup. :D This works for all 02-07 WRX and 04/05 STi's...
www.i-club.com