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      07-17-2009, 08:44 PM   #283
labedra
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Drives: 2008 BMW 335i E92 6 MT
Join Date: Jun 2009
Location: Somewhere on Planet Earth for now.

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My bimmer sounds louder now after over 2 weeks of driving with the valve open, I guess the left side of the exhaust has to break in a little if the valve was mostly closed before. It sounds the best when driving in a tunnel as the noise get amplified. Here is my bimmer and stock exhaust sound 800 - 3000 rpm rev. It also sounds much deeper when you are driving since the engine has to work harder.

http://www.youtube.com/watch?v=UXl-Ax5j0b8
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Last edited by labedra; 07-17-2009 at 10:51 PM.
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