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      07-28-2017, 09:13 PM   #1
Mnite_S63
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United_States
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Drives: 2013 F13 M6, 2010 X5M
Join Date: Nov 2011
Location: New Jersey

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Eisenmann Race Exhaust Owners

Looking in getting in. Does this come with a working valve actuator? Meaning it uses the existing vacuum tubes for the flaps.

Is there a big difference in sound when two vs all 4 valves open?

Thanks