Just did mine, sound got a bit louder and deeper. Sounds nice. Heres a couple quick vids I made. Sorry they didn't come out to good, it was a crappy day and a crappy camera.
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[u2b]<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/GecfLXhLIpY&hl=en&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/GecfLXhLIpY&hl=en&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>[/u2b]