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      07-03-2012, 09:05 AM   #15
bdaddylo
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Drives: 2011 E90 M3 ZCP
Join Date: Dec 2010
Location: Houston, TX

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Is there any additional air flow into the intake box or does it use the stock plumbing? To me for an intake to make significant gains, there must be an increase in air flow which requires a larger or additional openings to allow for more flow.
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2011 E90 M3 ZCP/AW/Ohlins R&T