TC-Motor 10pcs/pack 22MM 30MM Exhaust Muffler Gasket Kit For Chinese Moped Scooter GY6 49cc 50cc 125cc 150cc ID = 22MM. OD = 30MM. For GY6 49cc 50cc 125cc 150cc Chinese Scooter Moped. Guaranteed Good Quality & Always Responsible Customer Service. Product Shipped From China & Arrival Within 12-18 Days