FatMat Self-Adhesive Rattletrap Sound Deadener Pack with Install Kit - 25 Sq Ft x 80 mil ThickFatMat Sound Deadener is made to absorb vibrations and noises that travel through it giving you a dramatic reduction in irritating noises. FatMat stops nasty rattles, eliminates vibrations, and reduces road noise, engine noise and exhaust noise in your rid..