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Originally Posted by TJZ67201
Thanks for the post! It looks like you installed the sound deadening to the plastic parts of the inner door card? Did you ever go past the vapor barrier and apple any deadening to the the metal?
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No I didn't crack that open. After looking online it appears that the window regulator assembly mounts to the back of the vapor barrier. I didn't want to mess with that or the side impact sensor. The way these doors are built and how the midrange mounts, it's very unlikely that the sound from a 4" speaker will excite a resonance on the outer door skin. The sound would have to get through the vapor barrier first which is pretty decently thick plastic. In other cars where the speakers mount to the metal of the door and vent right in to the cavity, I have gone to that effort.