It cost over 300 to buy materials that are made for sound proofing a vehicle and using peel seal does the same thing for less than 50.
Peel and seal sound deadener smell.
Diy budget dynamat alternative 1 peel seal.
Peel seal is the original self stick roll roofing specifically designed for low slope residential and commercial applications composed of an exclusive formula consisting of laminated aluminized foil high density polymer films and a thick layer of rubberized asphalt peel seal provides a long lasting durable maintenance free roofing surface.
I used this product as have many other corvette owners to sound proof the trunk area of my car.
It quiets down the road nosie from the tires and muffles the drone from after market exhaust systems.