{"product_id":"yoshimura-yz450f-14-17-rs-4-stainless-full-exhaust-w-aluminum-muffler","title":"Yoshimura YZ450F 14-17 RS-4 Stainless Full Exhaust, w\/ Aluminum Muffler","description":"\u003cp\u003eThe work that went into developing the RS-4 muffler has paid big dividends in Off-road Racing; winning multiple Supercross and Motocross titles since it's inception. We've developed the current generation RS-4 based on that research \u0026amp; development, and the result is a unique design that provides an unrivaled combination of power and quiet exhaust tone. The RS-4 features a Polyresonant duplex chamber and two-staged stepped baffle for increased performance, while a carbon cone end cap finishes off its innovative styling.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eFront muffler cap functions as a polyresonant chamber which helps reduce noise\u003c\/li\u003e\n\u003cli\u003eTwo-stage stepped baffle\u003c\/li\u003e\n\u003cli\u003eCarbon fiber end-cap\u003c\/li\u003e\n\u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.yoshimura-rd.com\/collections\/replacement-service-parts\/repack\" target=\"_new\"\u003eRepack Kits\u003c\/a\u003e, optional \u003ca href=\"https:\/\/www.yoshimura-rd.com\/collections\/replacement-service-parts\/low+volume+insert\" target=\"_new\"\u003e Inserts\u003c\/a\u003e and \u003ca href=\"https:\/\/www.yoshimura-rd.com\/collections\/replacement-service-parts\/spark+arrester\" target=\"_new\"\u003e Spark Arresters\u003c\/a\u003e are available for all models\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":51973376311480,"sku":"YO-234810D321","price":1552.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/8230\/1624\/files\/YO-234810D321_bd99e88c-345b-40c9-a1bc-17a94ed18aaf.jpg?v=1760061366","url":"https:\/\/www.toptwomoto.com.au\/products\/yoshimura-yz450f-14-17-rs-4-stainless-full-exhaust-w-aluminum-muffler","provider":"Top Two Moto","version":"1.0","type":"link"}