{"product_id":"yoshimura-usa-yz450f-14-17-fx-16-17-wr450f-16-18-rs-4-stainless-slip-on-exhaust-w-aluminum-muffler-234812d321-yos-234812d321","title":"Yoshimura USA YZ450F 14-17\/Fx 16-17\/Wr450F 16-18 RS-4 Stainless Slip-On Exhaust, W\/ Aluminum Muffler | 234812D321","description":"Article Code: 234812D321\u003cbr\u003eEAN: 0840025903937\u003cbr\u003e\u003cbr\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.\u003cbr\u003e\u003cbr\u003ePentagonal-shaped sleeve\u003cbr\u003eFront muffler cap functions as a polyresonant chamber which helps reduce noise\u003cbr\u003eTwo-stage stepped baffle\u003cbr\u003eCarbon fiber end-cap\u003cbr\u003eStainless steel tail-pipe\u003cbr\u003e\u003cbr\u003eRepack Kits, optional  Inserts and  Spark Arresters are available for all models","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43491423813695,"sku":"yos_234812D321","price":688.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3213\/0367\/files\/yos_234812D32111.jpg?v=1783219547","url":"https:\/\/vaultmoto.com\/products\/yoshimura-usa-yz450f-14-17-fx-16-17-wr450f-16-18-rs-4-stainless-slip-on-exhaust-w-aluminum-muffler-234812d321-yos-234812d321","provider":"VaultMoto","version":"1.0","type":"link"}