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      02-28-2013, 06:00 AM   #21
suff
On the hunt for PSI
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Drives: E90 M3
Join Date: Oct 2009
Location: Perth, WA

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Quote:
Originally Posted by Dabaitu View Post
Waste of money. All they end up doing is suck hot air in to your engine and reduce performance, the stock box does a much better job. Just get a drop-in filter by BMC or K&N.
You forget the intake noise difference.. its not just about HP increase
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