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      12-08-2008, 07:04 PM   #25
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Drives: '86 Corolla
Join Date: Jun 2007
Location: Diamond Bar, Ca

Posts: 5,037
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2009 BMW  [5.00]
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That flutter noise I believe is normal. The filter is fit pretty snug, I highly doubt there's something rattling. I'm sure it's just the air being sucked in causing that flutter sound. To me the car just sounds more like a v8!

I can definitely feel a difference with this filter + RPi scoops installed.

2009 E92 M3 | Alpine White | Black Extended | Advan RS | Turner Test Pipes | Dinan Axle-Back | OETuning | Eibach Springs | UUC SSK | VRS Front Lip | VRS Type I Diffuser | Matte Black | RPi Scoops | MS Filter | Yokohama AD08 | F1 Pinnacle
Special Thanks: Gintani | OETuning | eAs
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