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Mnite_S63 · 07-28-2017, 08:13 PM

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

07-28-2017, 08:13 PM	#1
Mnite_S63 Second Lieutenant 28 Rep 238 Posts Drives: 2013 F13 M6, 2010 X5M Join Date: Nov 2011 Location: New Jersey iTrader: (0)	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
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