{"product_id":"yoshimura-usa-ktm-500-450-350-250-rs-4-stainless-slip-on-exhaust-w-aluminum-muffler-263502d321-yos-263502d321","title":"Yoshimura USA KTM 500\/450\/350\/250 RS-4 Stainless Slip-On Exhaust, W\/ Aluminum Muffler | 263502D321","description":"Article Code: 263502D321\u003cbr\u003eEAN: 0840025903159\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\u003cbr\u003e\u003cbr\u003e*FITMENT NOTE: This system fits 350EXC-F and 500EXC only when license plate and turn signals are removed.","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43491429744703,"sku":"yos_263502D321","price":581.06,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3213\/0367\/files\/yos_263502D32111.jpg?v=1783220117","url":"https:\/\/vaultmoto.com\/products\/yoshimura-usa-ktm-500-450-350-250-rs-4-stainless-slip-on-exhaust-w-aluminum-muffler-263502d321-yos-263502d321","provider":"VaultMoto","version":"1.0","type":"link"}