These RetroSoundïïdirect-replacement kick panels mount easily in your classic 1964-69 Plymouth Barracuda/Duster/Scamp/Valient and Dodge Dart/Swinger 340/Demon/Sport, and will fit most 4x6-inch speakers. The speaker mount is angled to direct sound at the listener. You can use vinyl paint or plastic adhesive paint to match the panels to the color of your vehicle's interior. Our RetroMat Sound Dampening Material reduces road and wind noise plus lowers heat from your vehicle. Easy to cut 1.4mm thick matting with odorless self-adhesive backing. 3-ply construction: Butyl Rubber Membrane and Closed Cell Foam reduces exterior noise along with squeaks and rattles, Aluminum Sheeting provides thermal insulation and Strong Bitumen Adhesive combine for maximum quiet and easy installation.