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      10-17-2017, 07:41 PM   #2
onfireX5
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Drives: F90M5,F85X5M
Join Date: Jul 2015
Location: Va

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This picture explains why Dinan flows better than a gutted stock air filter. Look at the difference in the inlet transitions from the filter media to the opening. The factory filter has no Venturi and a blunt transition. Dinan did a GREAT job by incorporating a long venturi from the filter media to the base inlet. This greatly enhances flow through the opening. Very nice tunnel effect.Kudos to Dinan.
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