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  1. 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...
  2. 2.5 Liter/Litre Factory Motor
    Hey guys I've been working on this for the past 2 weeks and can't find a solution. I recently bought a 2011 STI and I'm doing all the maintenance work to it myself, so I can learn more. I changed engine oil, transmission oil, front diff, and now I'm working on the rear diff. The drain plug for...
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