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The 2020 Yamaha YZ450F has undergone important changes to both the engine and the chassis, and seems to be the 450 that many are choosing.
It's no secret that the Yamaha YZ450F has a very good stock system, which many of our competitors cannot get over. We've invested a lot of R&D time in the dyno room and on the track to create the RS-4 Signature Series, which we believe is the best aftermarket exhaust for the new YZ.
Made in the USA
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