1、Wide Application: Half moon shape exhaust muffler pipe is widely suitable for 49?80CC 2 Stroke Engine motorcycles or motorized bikes. 2、Multipurpose: The motorcycle exhaust muffler pipe not only reduces exhaust noise, but also releases exhaust gases safely and efficiently. 3、High Performance: Performs much better than normal exhaust mufflers in reducing noise and you will be more calm riding your motorized bicycle. 4、Durable Construction: The muffler pipe is made of aluminum alloy, which is strong and durable. The surface is anodized and not easy to rust. 5、Direct Replacement: This exhaust pipe matches the fit and function of the factory part on specified models, is a reliable replacement part.