EXHAUST SYSTEM EEC APPROVED STREET SPORTS JMCA APPROVED NEW JMCA APPROVED INFORMATION ENGINE ELECTRICAL CHASSIS GOODS Sports Bike Street Bike Off Road/Motard Scooter 4st Mini Asian & Others PRODUCT IMAGE Noise decibel - Yoshimura 92db / 5400rpm Weight - Yoshimura (T/C) : 4.0kg - Stock : 6.2kg Yoshimura catalyzed cyclone does not make any power loss.