fatmat self-adhesive rattletrap sound deadener bulk pack with install kit - 50 sq ft x 80 mil thick fatmat fatmat sound deadener is made to absorb vibrations and noises that travel through it giving you a dramatic reduction in irritating noises. rattletrap stops nasty rattles, eliminates vibrations, and reduces road noise, engine noise and exhaust noise in your ride. improve audio quality, enhance bass, combats vibrational distortion. applying fatmat sound deadener to quiet vibrations in your car can result in as much a 3 db gain in sound. patented "super-stick" pressure sensitive adhesive backing with heat-resistant aluminum surface. lightening fast shipping! toll free customer support and fast email support. 100% satisfaction guaranteed!