Fill the frame with expanding foam. Then wipe down the entire lid (on the inside only) with an alcohol based cleaner. Cover it with a sound deadening material. Then take off your lisence plate and clean the back of it. Cover it with sound deadener. Then use 4 screws to mount it to the trunk. Then see what it does.
2007 bassrace world champion 139.9
Lunatic Concepts custom car audio
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