Yoshimura Rs-4 Header/Canister/End Cap Exhaust Slip-On Ss-Al-Ss - 961-6416

Yoshimura Rs-4 Header/Canister/End Cap Exhaust Slip-On Ss-Al-Ss - 961-6416

Rs-4 Header/Canister/End Cap Exhaust Slip-On Ss-Al-Ss

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

This Part Fits:

Year	Make	Model	Submodel	Notes
2019	Yamaha	WR450F
2020	Yamaha	WR450F
2021	Yamaha	WR450F
2022	Yamaha	WR450F
2023	Yamaha	WR450F
2018	Yamaha	YZ450F
2019	Yamaha	YZ450F
2020	Yamaha	YZ450F
2021	Yamaha	YZ450F
2022	Yamaha	YZ450F
2019	Yamaha	YZ450FX
2020	Yamaha	YZ450FX
2021	Yamaha	YZ450FX
2022	Yamaha	YZ450FX
2023	Yamaha	YZ450FX