Measure the inner diameter of your exhaust muffler for proper fitment. Universal fit for most 2-Stroke and 4-Stroke motorcycle and ATV applications. Keeps water and moisture and foreign objects from entering your exhaust. Prevents humidity from entering the pipe as it cools down and condensation inside the pipe during storage. Seals the exhaust while washing your ATV or motorcycle. Plugging the exhaust pipe with this product to prevent corrosion if you do not use motorcycle Installation: Plug it directly into the muffler of exhaust pipe of motorcycle to use. Fitment: Fit for 33-62mm(1. 3-2. 4inch) Outlet Diameter Package Include: 1 x Exhaust Plug