[Fitment]The motorcycle muffler pipe plug is fit for most 2-Stroke and 4-Stroke Motorcycle and ATV QUAD applications, and it is tapered fit (27mm - 48mm), measure the inner diameter of your exhaust muffler for proper fitment. [Premium Material]The motorcycle exhaust silencer plug is made of high-quality rubber material, which has high reliability, is temperature resistant, lightweight, elastic, not easy to fade, and durable in use. [Function]The motorcycle exhaust silencer plug can keep water and moisture and foreign matter from entering your exhaust. During storage, it can prevent humidity from entering the pipe as it cools down and condensation inside the pipe. [Great Replacement]Built to meet standard specifications, strictly follow factory quality control, great replacement for your old ones which offers better performance. [Customer Service]Please feel free to contact us if you have any questions after receiving our products, we will try our best to solve your problem.