{"product_id":"yamaha-yz450f-2018-2022-wr450f-2019-2022-yoshimura-rs-4-slip-on-exhaust","title":"Yamaha YZ450F 2018–2022 \/ WR450F 2019–2022 Yoshimura RS-4 Slip-On Exhaust","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #000000;\"\u003e\n\u003ch2 style=\"margin-bottom: 10px;\"\u003eYamaha YZ450F 2018-2022 \/ WR450F 2019-2022 Yoshimura RS-4 Slip-On Exhaust\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe 2020 Yamaha YZ450F has undergone significant changes in both motor and chassis refinements, and seems to be the 450 that many are choosing.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eIt'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\u0026amp;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 YZ.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eProudly made in the USA!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: justify;\"\u003ePentagonal-shaped sleeve\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eFront muffler cap functions as a poly-resonant chamber which helps reduce noise\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eTwo-stage stepped baffle\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eCarbon fiber end-cap\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eStainless steel tail-pipe\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":56200426029436,"sku":"800347","price":855.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2964\/8754\/files\/800347_2.png?v=1767788659","url":"https:\/\/beedspeed.com\/products\/yamaha-yz450f-2018-2022-wr450f-2019-2022-yoshimura-rs-4-slip-on-exhaust","provider":"Beedspeed","version":"1.0","type":"link"}