I'm having trouble reducing the amount of vibration in the trunk of my Cavalier. Does anyone have suggestions to reduce or eliminate this extra noise? The cause of this noise is a Directed 1500D connected to two Rockford Fosgate P3's. So you can imagine the amount of noise that I am getting and I would like to greatly reduce. I already have a little bit of Fosgate Deadskin but it does not seem to help out. Any answers apreciated and Thanks
take all of the plastic panels out of the trunk. leave them out. take out any loose metal like the tire jack. once the trunk is gutted, then mat it with eDead, fatmat, or similar. use expanding spray foam anywhere you can't reach with mat. if you want to go a step further, use spray liner, like rhino lining or lizardskin