Sound Dampening

[Unregistered]

if i put 2 punch hx2 12's with the punch 800.2 amp in a maxima, would i need to add ALOT of sound dampening to my trunk to get rid of the rattles? if so, how much would i need and how much would it cost? I WANT TO HEAR BASS OUTSIDE OF THE CAR AND NOT A RATTLING TRUNK!!

Click to read more...

 

[Unregistered]

Also, would the driection that the subs are firing make any difference in sound outside of the car?