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Message: <blockquote data-quote="negative3five" data-source="post: 2643241" data-attributes="member: 570488"><p>Hey I have a 15" SI Mag in a 4.0cube box tuned to 30hz running off of a nine.1.  The other day I had it in and was bumping like normal and started to hear a rattling noise from my trunk.  I just dissmissed it as my car rattling cause it only happened when I turned it up.  Today I took the box out and it sounds like its coming from behind the cone or out of the port.  Could this be the tinsel leads hitting the sub or something alot worse?  The sub still slams like a mofo it just has that rattling noise i pushed the cone in and out and didn't feel no rubbing or scratching.</p></blockquote><p></p>

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