Long Island Subaru Impreza Club (LISC)
New Jersey Impreza Club
Regional Mailing List Massive Thread
Tristatetuners.com - Covering NJ/CT/PA/DE/NY (so its more like 5-state tuners )
Baltimore Turbo Club
Have a turbo vehicle near Baltimore, MD? This is your place to be!
In order to reduce the amount of stickied threads, I am going to link to all the high post count Mailing List, Local car club, whatever threads here. If there are any other clubs or lists you want me to include, just let me know in a PM.