dynamat

Havent yet decided how soon i want to purchase but i was curious if anyone knew how to install dynamat sound insulators on my front doord and rear window dash for my 92 gl sedan? i was told by someone at best buy that would make a big differance in my sound and system performance. thanx

http://www.edesignaudio.com/edead.htm there is a full video on there how to put deadener on. It is better for price deadener I think.