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      08-11-2012, 09:40 AM   #7
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Drives: M3 V8
Join Date: Dec 2011
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Originally Posted by MiamiE93Vert
How would you compare the sound and volume of the valve system with the valves closed to your performance exhaust?
The sound on closed is louder still throughout the rev range. Truth be told it doesn't have that hollow rumble that the MPE is famous for. The etronic is deeper but doesn't quite have the character of the MPE with the valves closed.

Just took my girlfriend out for a drive and she loves it WIN. Didn't complain about the volume and we talked no problems at all.
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