Been competing in my little aveo for the past few months now.. and this is my record so far.. this is a tone played at 42hz to achieve this.. sorry just rather excited about this :-)
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http://sphotos.ak.fbcdn.net/hphotos-..._1575652_n.jpg
http://sphotos.ak.fbcdn.net/hphotos-..._3133101_n.jpg