High Quality: The exhaust wash plugs are made of silicone and fit tightly over the exhaust port to prevent entry of water, dirt and small animals when washing or storing the exhaust. motorbike. Silica gel material is resistant to high temperatures. It has a long service life. Practical: This dirt bike exhaust cap is suitable for most motorcycles. The exhaust pipe silicone plug measures 9*4*4cm. Please measure the inner diameter of the exhaust pipe before purchasing. These wash caps can prevent moisture from entering the pipe when it cools and condenses. Function: Motorcycle pipe caps prevent water, moisture and foreign objects from entering your exhaust pipe. Reduce noise entering and exiting the community. In winter or when not using a motorcycle, the exhaust pipe can be blocked to prevent corrosion. Heat Resistance: Non-toxic and odorless, insoluble in water and any other solvent. Its structure resembles that of a sponge, which adsorbs and retains water vapor. It absorbs moisture even at high temperatures. They prevent water vapor from entering the interior when washing or driving in heavy rain. Simple to Use: Just place it directly on the motorcycle exhaust muffler. It fits the exhaust well and prevents water, dirt and rodents from getting inside when washing or storing your motorcycle. Very easy to use. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.