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      04-10-2010, 10:56 AM   #3
Mike@N54Tuning.com
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Drives: 2007 335i, 2015 M3
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Quote:
Originally Posted by wo0t604 View Post
is there any sound differences from a drop in filter like this one and stock?
There should be a modest increase in sound, but nothing like going with a complete intake.

Mike