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      10-22-2009, 01:18 AM   #6
bigpuna
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Drives: E92 M3
Join Date: Aug 2009
Location: AZ

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If function is what you are looking for use the stock air box with a drop in filter it is designed to bring cold air into the motor. If you want a cool sound an open filter in the engine bay sounds fun but will heat soak.
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