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      01-09-2013, 09:55 PM   #102

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Drives: 2014 Porsche 911 Turbo S
Join Date: Aug 2009
Location: Westlake Village, CA

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Originally Posted by M54ccibo View Post
Thanks CPI. Is there any drone with it? Do you keep the valves open or closed when just rolling around? TIA.
I keep them open all the time except for when on a Bluetooth call on the freeway below 80 MPH. Why, because there is a drone below 2000rpm, I wish there wasn't, but there is. It's an exageration of the stock exhaust sound below 2000 rpm. Doesn't bother me much, but it's there. Hardly noticable with the valves closed, but still there.

2010 M3 Coupe,2011 458 Italia
2014 911 Turbo S, 2014 X5 3.5