Stop fighting engine rumble, speaker rattle, road noise and buzzing vehicle parts! Apply Dynamat Xtreme to your vehicles resonant surfaces and enjoy improved clarity, loudness and bass response from your car stereo. High-performance Dynamat Xtreme is lighter than Dynamat Original, four times more effective, requires no heat to apply and is recommended for vehicle tops, sides and contoured areas. Dynamat Xtreme is coated with aluminum for high temperature areas such as firewalls and floors. Kit contains nine 18" x 32" pieces of Dynamat Xtreme for rear decks, doors, floors and trunk floors. Unlike Dynamat Original, Dynamat Xtreme is also recommended for trunk lids, roofs, quarter panels and under-hood installations.