Fitment: Green Muffler Exhaust Silencer Wash Plug For Pit Dirt Motor Bike ATV Quad Yamaha Honda Suzuki Kawasaki KX RM CR XR CRF YZ KTM 80 85 125 150 251 Scooter Moped Motorcycle The size is 1″-1.8″ Conical from small head to Big End for seal. Please do match size before purchasing, make sure it’s proper size for your muffler. Layers Waterproof design, Easy to plug in and Washable,Please DO remove it before you start the engine after use There are many colors available, you may choose one of your favourite It fits almost all the standard Exhaust silencers. Please DO match your silencers opening sizes before Ordering, MAKE sure you choose the proper size. Thanks Product description Color:Red  |  Size:1″-1.8″ Conical The size is 1″-1.8″ Conical from small head to Big End for seal. Please do match size before purchasing, make sure it’s proper size for your muffler. Colour: Red Universal standard sizes Layers Waterproof design, Please DO remove it before you start the engine after use It fits almost all the standard Exhaust silencers. Please DO match your silencers opening sizes before Ordering, MAKE sure you choose the proper size. Thanks Fitment: Muffler Exhaust Silencer Wash Plug For Many Pit Dirt Motor Bike ATV Quad Yamaha Honda Suzuki Kawasaki KX RM CR XR CRF YZ KTM 80 85 125 150 251 Scooter Moped Motorcycle