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      08-22-2011, 09:58 AM   #4
armyav8tor
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Drives: E92 M3
Join Date: Apr 2008
Location: Washington D.C.

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So what is causing the rattling noise with the MS filter? I'm about to jump on the green filter boat, my car makes this funky noise when I'm hard on the throttle at lower RPMs. Didn't have this noise until I put the Akrapovic Evo system on.