Review on Dynamat 10435 12x36x0.067 Sound Deadener: Self-Adhesive Xtreme Door Kit for Effective Noise Reduction by David Sanchez

This stuff works as advertised. I installed it after installing 6.5 inch speakers and an amplifier in my truck. Without the Dynamat, the metal in my door echoed with EVERY bass note and kick; it was very annoying. However, there were literally no vibrations and road noise with him. actually decreased. The sound quality, bass and treble, has also improved a lot, a big plus. If I had to choose minus, I guess I would have to continue with the installation. just got silly at some point. The sticky side is VERY sticky as it sticks to everything including itself; if you put all or most of the sash in a part of your door,