Silent Sport Premium™ motorcycle exhaust silencer packing for 4-stroke engines guarantees the highest performance and reliability for your silencer. The special glass wool stands up to heat of up to +750° Celsius and guarantees outstanding thermal and sound insulation. On top of that, the sound-insulating material stops breakages from vibration. Silent Sport™ products, used as factory equipment by leading manufacturers in Europe and the USA, are subject to continuous quality monitoring and are constantly tested in racing at the highest level. Weight: 400gr Made in Germany.