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.

Pentagonal-shaped muffler
Maximized internal volume
Polyresonant duplex front chamber
Stepped, two-stage core baffle
Spark Arrestor/Sound Insert Compatible

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Manufacturer SKU	262532D320
Manufacturer:	YOSHIMURA
Department	PAM-WPS
Show Stock	Yes
California Restricted Product:	No

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Year	Make	Model
2021-2023	Gas-Gas	EX 250F
2021-2023	Gas-Gas	EX 350F
2021-2023	Gas-Gas	MC 250F
2022-2023	Gas-Gas	MC 350F
2019-2022	Husqvarna	FC 250
2019-2022	Husqvarna	FC 350
2019-2022	Husqvarna	FX 350
2019-2022	KTM	FC 250
2019-2022	KTM	FC 350
2019-2022	KTM	FX 350

Rs-4 So Ss/al/cf Slip-on Ktm/hus 250/350

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