YOSHIMURA RS4 Signature Serie Full Exhaust System - Kawasaki KX 450 F

Technological marvel

In addition to their aesthetics, the Yoshimura USA RS-4 full systems are at the cutting edge of exhaust technology.

• High performance system to optimize the motorcycle's power
• Developed in collaboration with leading MX teams
• Front muffler cap functions as a polyresonant chamber which helps reduce noise
• Pentagonal-shaped sleeve
• Carbon fiber end-cap