
$502.31

YOSHIMURA
Out of stock · stock as of Sep 7, 2026
Shipping calculated at checkout
30-day returns on unused parts
RS-4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and centralize mass. The end result is a product that gives you an unparalleled competitive advantage.
Supplier-confirmed applications for this exact part. Match the year, make, and model before ordering.
Honda CRF450L
2019–2021
Honda CRF450X
2019–2025