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  1. Engine Modifications
    Hello everyone, I’m new here btw! I’ve got a 2009 JDM WRX Hatch EJ20X ProTune GFB Hybrid BOV otherwise, it’s fully stock. When the BOV is set to 100% recirculating, the exhaust backfires in the higher rpms. My questions are: is this safe? What exactly causes this? Any help will be...
  2. Engine Modifications
    Intro: just bought a 2002 WRX wagon 133,000 miles, with rod knock for 4k, with 5k left to spend on the repair. If I do it in my own garage. . Though I’ve never done a Subaru, I have done plenty of builds in the past, and am fully excited and capable of doing the swap in my garage “I believe.”...
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