Shock absorption: It can reduce vibration and noise of exhaust system. Provide a more comfortable riding environment for driver and passengers. Durability: possesses good wear resistance, high-temperature resistance and resistance, providing reliable performance under various conditions. Elasticity: Possesses a certain amount of elasticity for absorbing vibrations and shocks, enabling it to withstand external forces. name:Exhaust Muffler Material: Plastic + metal Reference part number: 13229780, 22907444, 13286674, 856423, 856427, 863050 Colour: Black Compatibility: Compatible with J compatible with A compatible with C compatible with 9-5 Package Contents: 1 pair * Exhaust Muffler Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.