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  1. STi Technical Forum
    I have in issues i am new in STI canot go more than 5000 rpm os this is the stock like this or my car have un issues. Can i modify the rpm.
  2. General Maintenance, Troubleshooting & Accidents.
    Hey guys, I'm hoping you can help me with this. I have an 02 wrx that hesitates/chokes at about 4500-5000 rpms in any gear. It lasts about a second but it bucks pretty hard, feels like it is not getting enough fuel, and then it revs fine all the way past that. 02 sensor was just replaced, spark...
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