Yoshimura RS-4 Aluminum Canister/Carbon Fiber End Cap Exhaust Slip-On 2020-2022 Yamaha YZ450F

Yoshimura RS-4 Aluminum Canister/Carbon Fiber End Cap Exhaust Slip-On 2020-2022 Yamaha YZ450F

Part Number - 234832D320

The 2020 Yamaha YZ450F has undergone significant changes in both motor and chassis refinements and seems to be the 450 that many are choosing.

It's no secret that the Yamaha YZ450F has a very good stock system that many of our competitors can't beat. We spent a lot of R&D time in the dyno room and track to create our RS-4 Signature Series to what we think is the best aftermarket exhaust for the new YZF.

 Proudly made in the USA!

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

Yoshimura Exhaust Systems 

YZ450F performance products  Yamaha YZ450F Performance Section 

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