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  1. Drivetrain Components
    Can anyone confirm I can take transfer gears from center differential on an 06 STi 6 speed and put them into an 05 STi 6 speed effectively changing the ratio from 1:1 to 1:1:1? 2006 Part #’s 33128AA320 33113AA370 2005 Part #’s 33113AA260 33128AA170 Thank you
  2. Drivetrain Components
    Okay so long story short my rear differential blew up and a 3.54 R180 then made it into my 2005 STi due to error at a supposedly reputable performance shop. After figuring out what exactly they had done I now know I needed the 3.90 R180 rear diff. Wish I had done the research and taken care of...
  3. FAQ/Newbie Forum
    Hi I’m new to this forum, I just had a question about my center differential on my 2007 STI. I recently was at the Subaru dealership for a service and was told that my wheels were locking in reverse and with turning at slow speeds. I had not previously noticed anything of the sort. I was told it...
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