Quote:
Originally Posted by sparks
I didn't do anything to mine and the rattles are GONE. Funny how removing low bass from the doors quiets everything down 
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You can remove the resonance that causes some rattling by adding damping material to the door. I added second skin speaker tweakers in the door panel behind the woofers and can dial the bass up a little before it starts booming.
http://store.secondskinaudio.com/speaker-tweaker-kit/
Haven't found a need to add any more damping material.