YOSHIMURA RS4 Signature Serie Compleet uitlaatsysteem - carbon YAMAHA YZ 450 F Using our 30 years of

Using our 30 years of racing and engineering experience we have blended quality designs

and your bike stays running

Hex head screws are used to secure the inlet cap and can be removed easily for quick re-packing of the silencer

Thanks to Nissin's solid aluminum manufacturing technology

The original Pro Circuit Works Pipe offers unparallel performance and power for every two-stroke application

YOSHIMURA RS4 Signature Serie Compleet uitlaatsysteem - carbon YAMAHA YZ 450 F Using our 30 years ofTechnological marvel Increased performance Developed in collaboration with leading MX teams Front muffler cap functions as a polyresonant chamber which helps reduce noise Pentagonal shaped sleeve