Muscle Pipe 5 50 YEI-YP-MP550

Nuova Muscle Pipe MP550 versione SB bassa silenziosità , altissimo rendimento (per motori OS50 e YS)
The Muscle Pipe 5 has great power throughout the RPM range, low noise and tunes even easier than before. Comes with everything you need to mount in a simple and durable one-piece design. Runs great on both OS and YS motors.