Brand New Ceramic Fiber Exhaust Muffler Mat, Universal Muffler Packing for 2-Stroke 4-Stroke Motorcycle ATV Dirt Bike for Exhaust Pipe Wrap Silencer Reduces sound levels, prevents your exhaust from getting too hot which will damage your exhaust; improves muffler life and throttle response. Motorcycle exhaust muffler mat is made of high quality ceramic fiber ; heat resistance , absorb sound, can provide optimum performance. Our exhaust muffler mat is specifically designed to fit the exhaust pipes of cars and motorcycles available on the market. Fits most all repackable muffler applications. Ceramic fiber mat is not limited to muffler exhaust pipes; it can also be used for heat-proofing hot water pipes and natural gas exhaust pipes. Also fit for enhancing the heat-proof and sound-proof effects of the car's front cover engine. 39.4x24x0.55 inch, enough to pack a silencer