07-21-2014, 11:14 AM
I doubt it would be that bad. My Active Autowerke BOV is venting to the atmosphere and is pretty loud with the windows down. With the windows up, you can't really even hear it.
2015 VW GTI | 2007 4Runner Sport
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2010 Nissan 370z | 2003 BMW M3
2005 Subaru WRX | 2010 BMW 135i | 1999 BMW M3
2002 Pontiac Trans Am WS6 | 2006 Mitsubishi Evolution IX SE
1995 Pontiac Firebird Formula | 1998 Mitsubishi Eclipse GSX | 1996 Pontiac Firebird
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2010 Nissan 370z | 2003 BMW M3
2005 Subaru WRX | 2010 BMW 135i | 1999 BMW M3
2002 Pontiac Trans Am WS6 | 2006 Mitsubishi Evolution IX SE
1995 Pontiac Firebird Formula | 1998 Mitsubishi Eclipse GSX | 1996 Pontiac Firebird