Reduce Road Noise Reduce Exhaust Harmonics Eliminate Mechanical Noise Stop Body Panel Vibration Reduce Radiated & Reflected Heat Stop Audio System Vibration Kits Available For Nearly Every Application Early Chevys absorb heat, noise and vibrations from all directions. All of these environmental nuisances converge in your 1949, 1950, 1951, 1952, 1953, 1954 Chevrolet's passenger compartment at ear level. You're bombarded with heat, noise and vibration from the floor, roof, cowl, rear seat divider and sides. Insulation is your best weapon against the constant onslaught of heat, noise and vibration. Our AcoustiShield insulation kits provide superior protection. AcoustiShield insulation products incorporate Dynamat for sound deadening. Dynamat is the industry leader in sound deadening technology. Reduce your exposure to the harsh elements of the road.