in that vid when it got to 40 hz
. Camera made it look pretty sweet.
yeah mine trunk has similar problems. But it does not stop there my windshield is rattling, my mirrors on the doors look like they are about to fall off. Damn GM and all the crap build quality, but thats not what gets you from point a to point b now is it.
check out edead or second skin much cheaper than dynamat but actually thicker and cheaper.
(what I had in my old car, the 70mil works very well)
- bit more expensive though.