Quote:
Originally Posted by wdb
The Rev motoring part appears to be intended to increase intake sound by removing the sound reduction stuff. N52 Z4s (3.0si at least) have a sound tube connecting to the firewall that transmits intake noise to the interior. If you want more intake sound, take that tube out and remove the foam pieces inside it. Presto.
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I'm looking for better flow. Which should be achieved by taking out the silencer. But the piece used to bring sound through the firewall would be flapping in the breeze so to speak. Is that a problem?