About the Dynamat 10455: Xtreme Bulk Kit Having a hard time hearing your car's sound system over the road noise? The Dynamat 10455 Xtreme Bulk Pack keeps the noise out, so you'll hear more music using less power — effectively increasing your amplifier's output! This sheet metal vibration damping material (a butyl composite which includes a layer of aluminum) conforms and fuses to automotive body surfaces such as floor pans and doors. The 10455 Bulk kit includes 9 sheets of Xtreme, for a total of about 36 square FT (a car door requires about 5 square FT). Designed especially for high temperature areas and high sound pressure level situations, it offers four times the damping power of original Dynamat, thanks to its energy reflective aluminum layer. What's in the box: 9 sheets of Xtreme Installation instructions
