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horsepower

  1. Go Faster
    My first post here, I just bought 2 is300’s ones an ‘05 the other an ‘03. I’m looking to throw a turbo on the ‘03 but I don’t want to see a rod put a hole in the oil pan. I’ve done my searching through forums and have learned a lot. But having specific examples of people in similar situations as...
  2. Go Fast Stuff
    What’s the full estimated potential horsepower gain on a 2007 IS 250?
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