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  1. V

    Random backfire

    im guessing twice, 2-3 and 3-4 gear, but I usually hear it when I hit the clutch shifting from 2nd to 3rd, after the stock bypass valve "swoosh".
  2. V

    Random backfire

    I tried searching for this issue but did not come across one quiet similar to mine. My car occasionally has a backfire (usually not too loud) that I can hear from the exhaust it seems like. It happens maybe 3-5 times in an average city drive (5-10 miles). It never happens if I accelerate hard...