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Thread: Air intake?
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Old 10-25-2012, 10:09 PM   #4
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Join Date: Dec 2007
Location: Los Angeles
Posts: 1,852
My Ride: 02 ///M3 Tri-Pedal
All cars have intake...
Cold Air intake will typically hiss, then rev.
Not rev then hiss.....sounds like a blow off the way you're describing it.

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