Reduce noise & vibration more than 50% Reduce heat more than 40% Engineered to fit OEM specifications and is approved Eliminates low frequency resonant noise from 0-1000Hz Wraps easily around tight areas HushMat Ultra is an incredible material that makes every speaker in cars, trucks, boats, RV's and buses sound better! Ultra also insulates hot rods and high performance vehicles to reduce heat from engine, exhaust and headers. Once more - Ultra also quiets your noisy dishwasher or home appliance! All this from one material. HushMat Ultra is manufactured in the USA! Noise disrupts our everyday life in many ways. Noise in your car, truck & RV, noise in your boat, noise from appliances, noise from home theaters, noise, noise, noise. Noise increases stress and fatigue and you don't have to settle for this discomfort. HushMat Ultra is the solution!