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      08-08-2012, 10:44 AM   #4
kwike92
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Drives: 2014 M5 CP
Join Date: Feb 2010
Location: Costa Mesa, Ca

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Quote:
Originally Posted by Purple Derple
Functional diffusers are meant to create downforce by creating a low pressure system underneath the car and sucking it to the ground. Like these guys have said, the ones people put on their cars are not functional.
Ok that's what I thought.. I'll opt for the BMW performance spoiler instead. Thanks guys for the feedback.
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