What is the size of the exhaust pipe of Jiapeng motorcycle jp48q_2?

JP48Q-2. Jiapeng motorcycle jp48q_2 belongs to Chongqing Jialing Jiapeng Industrial Co., Ltd. According to the inquiry of official website of Chongqing Jialing Jiapeng Industrial Co., Ltd., the exhaust pipe model of Jiapeng motorcycle jp48q_2 is JP48Q-2. Business scope: General items: production, processing and sales: motorcycles, electric bicycles, small gasoline engines, etc.