Description
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.
Features:
- Pentagonal-shaped muffler
- Maximized internal volume
- Polyresonant duplex front chamber
- Stepped, two-stage core baffle
- Spark Arrestor/Sound Insert Compatible
Fitment
Yamaha WR450F 2019
Yamaha WR450F 2020
Yamaha WR450F 2021
Yamaha WR450F 2022
Yamaha WR450F 2023
Yamaha YZ450F 2020
Yamaha YZ450F 2021
Yamaha YZ450F 2022
Yamaha YZ450FX 2019
Yamaha YZ450FX 2020
Yamaha YZ450FX 2021
Yamaha YZ450FX 2022
Yamaha YZ450FX 2023
