Dynamat Xtreme Speaker Kit  PRICE: $21.99 Kit contains two 10" x 10" pieces of Dynamat Xtreme to be used when mounting your speaker to a metal baffle like a car door or rear deck lid.   For proper installation, use one of our Dynaroller tools. Self-adhesive. Dynamat Extreme Door Kit PRICE: $56.00 Kit contains four 11.5" x 32" (292mm x 812mm) pieces of Dynamat Original to reduce road noise so you Hear More Music!™. Kit includes enough material for two standard size doors. For proper installation, use one of our Dynaroller tools. Self- adhesive. Dynamat Trunk Kit PRICE: $79.00 Kit contains three 18" x 32" pieces of Dynamat Original for the trunk floor to maximize bass and reduce road noise. Kit also contains two 18" x 32" pieces of Dynamat Xtreme for trunk side panels and trunk lid. Self- adhesive. Dynamat Extreme 36' Bulk Pack PRICE:$139.00 Contents: (9) 18"x 32" (457mm x 812mm) pieces of Dynamat Xtreme Application: Use on rear decks, doors, floors and the floor of your trunk to get more bass, more music, lower road noise and better sound.