anyone recommend a sound deadener expert in Nor. Cali?

[ASpec818 10+ year member]

im looking to stop the trunk rattles of my 03 wrx. i have tried matting the lid, floors and walls yet the trunk still rattles with a sub back there. Anyone know a good shop that would do this type of work and wont charge an arm and a leg? how much do you guys think itll cost for them to diagnose and fix the rattles?

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[95volvosx 10+ year member]

you'll never fully fix the rattle...

 

[ASpec818 10+ year member]

but it sounds like i didn't even mat anything. i think it's the trunklid rattling against the bumper or something? so nobody knows any good shops that do this kinda stuff?