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      11-28-2012, 11:42 PM   #33
poyzun
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Drives: 2009 328i
Join Date: May 2012
Location: San Diego

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how many times does it have to be proven that cold air intakes usually decrease horsepower before people realize that things probably will never change?? The best bet when it comes to increasing power through air intake is to simply purchase a K&N filter and drop it in the airbox.
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