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      05-20-2013, 06:55 PM   #2
SDemetris
FSAE Dude
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Drives: E90 328xi
Join Date: Jul 2012
Location: Pittsburgh, PA

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no filter will get you much more noise. Im assuming your intake is similar to the N52 which I have. You can get some more noise by getting rid of the intake muffler Theres a DIY for that somewhere. also you can do something like DJApex did. Lookup his eurobox mod thread for a DIY.
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2007 Titanium Silver 328xi: FBO - headers. Upgraded suspension and brakes.

1985 Gazelle Beige 325e: Nursing it back to health from PO negligence.. Soon to be track car.