Features: 1 Fit (14 7mm-37 8mm),please measure the inner diameter of your exhaust for proper fitting 2 Universal fit for most 2-Stroke and 4-Stroke Motorcycle and ATV QUAD applications 3 Keeps water and moisture and foreign objects in your exhaust 4 Prevents moisture in the pipe as it cools and condensation in the pipe during storage 5 Seals the exhaust while washing your ATV or Motorcycle Description: This motorcycle muffler only confirms its small size, but it brings a huge effect It can reduce the noise when riding a motorcycle, allowing you to better enjoy the fun of high-speed travel Specifications: Color: Yellow/Blue/Red/Orange Material: Silica gel Package Included: 1x Exhaust Muffler Plug Notes:1 Due to the difference between different monitors, the picture may not reflect the actual color of the item We guarantee the style is the same as shown in the pictures 2 Please allow slight dimension difference due to different manual measurementProducts from NIUNIU's store