Despite their small size--as Jerry C.L. Chow, manager of the Motorcycle Technology Department at the Industrial Technology Research Institute, points out--motorcycles are noisier than cars because they lack an exterior body, not to mention the fact that many obnoxious owners remove the mufflers or add audio equipment, making them louder even.
新竹工業技術研究院機械研究所機車技術部經理周積鋁就表示，別看機車體型小，卻因為缺乏「外殼」包裝，噪音比小型汽車嚴重，許多人把消音器拿掉，或加裝音響，更是慘不忍聞。