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      04-04-2018, 07:20 PM   #21
rjd_F30
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Drives: 2013 335i 6MT
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Quote:
Originally Posted by BunkerJ View Post
It's possible, but unlikely. Stock intake silences the DV already. Even with the hood closed and inside the car driving, it has to be relatively quiet to hear the flutter. It's not the same flutter if you had no DV/BOV and were kicking the boost straight back. No downsides that I can think and no tune required.
so how does the GFB DV+ create that flutter sound then? correct me if I'm wrong, but the flutter sound is the sound created when a turbo spins backwards because already compressed air wasn't diverted/recirculated. but, if this DV (and the factory one, I suppose) recirculates air back into the intake system, how come you still get the flutter sound? my knowledge of DVs is basic at best, so please correct me if my understanding is incorrect. just looking for some clarification.
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