hmm interesting, i got 1 12" PolkAudio DXI and at every volume level i have zero vibration, i also dont have a sunroof though. my entire dash is quiet (theyre preinstalled with small felt tape on the sides to reduce squeaks and the like, id assume theyd do the same for the rest of the car). my guess is maybe the clasps or rails for the sunroof? or it could just be a couple loose screws. you might have to just grab some tools and dive in to find out
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I used to have 2 12" in a cavalier, after lots of lots of hard hits of bass music, booty mix, maximum boom for your system
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my dash became very squeaky but I think it was squeaky anyway but it made it worst.
as far as I know I don't have any noises from the dash
my dash became very squeaky but I think it was squeaky anyway but it made it worst.
as far as I know I don't have any noises from the dash
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