yesbes 30 pcs sound deadening mat, 197 mil(5mm) 32 sqft sound deading material for cars, automotive sound deadener foam, audio noise insulation and dampening is up for auction in Automotive. The current bid is $1.50, 94% below the $25.99 MSRP, in As Is condition. Bid on this item at our Elizabethtown - Peterson Drive location before the auction closes.