Motorcycle exhaust mod for better sound and volume on yamaha xj 650

Yamaha Maxim 650 XJ650 1980 1983. We provide quick service to all corners of the world. Yamaha XJ 650-900 2.35 4-Into-1 Exhaust Header Head Pipes. Yamaha Midnight Maxim 750 XJ750M 1983. Yamaha Seca 900 XJ900R 1983.