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      12-09-2011, 05:12 PM   #4
richb811
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Drives: 2020 G20 330i M Sport
Join Date: Dec 2010
Location: NJ

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If you want subtle, go with Dual Cone intakes (DCI's) and you will get a mild diverter valve sound.

If you want super loud and obnoxious, go with BOV's. I don't like the BOV sound personally on BMW's, which is why we don't sell them.
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