BRAND NEW SHIPPED is my Second Skin Audio Sound Deadener / Vibration Reducer. Does your trunk rattle from your subs? Do you feel like your speakers and your subs could sound a bit better than they do? Well this is exactly the product you need to fix your car OR home theater audio. This product, for those unaware, is as easy as peel and stick. It goes on any bare metal such as trunk, doors, roof, etc.