Yoshimura

1821-1204

MUFFLER RS4 SS/AL CRF450R

Mufflers

The RS-4 not only increases power and is light, but it also has a lower centralized mass coefficient to provide better handling.
The RS-4 is pentagonal shaped muffler that features a carbon fiber cone end cap, two staged stepped baffle and striking good looks.
The RS-4 muffler features a new front cap design that functions as a polyresonant chamber.
This design makes for a quieter muffler with improved mid to top end power.
Aluminum pentagonal shaped muffler sleeve and aluminum mount bracket.

MUFFLER RS4 SS/AL CRF450R

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