{"product_id":"perf-series-s-o-yam-4","title":"Perf Series S\/O Yam","description":"\u003cp\u003eSetting the standard for power and value, the HMF Performance Series has been track tested with over a decade of championships. The specially designed, unrestricted core provides maximum flow and allows the exhaust to increase horse power and torque evenly throughout the entire power curve. The trademark to the HMF Performance Series is the exhaust*s sound. With a deep, aggressive sound, you*ll typically see a 2-10 dB increase from the stock exhaust system. And with industry-leading end cap and color options, you are sure to add a completely custom look and sound to your machine.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eThe Performance Series distributes power evenly throughout the entire RPM range.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThe Performance Series uses a 2 1\/8* non-restrictive core for maximum flow.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThe exhaust shell is made of T6061 Aluminum that weighs substantially less than stock.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThe Performance Series Exhaust system has an unrestricted core surrounded by high performance glass wool packing.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFitment\n\u003cbr\u003eYamaha YFZ450R  2009\n\u003cbr\u003eYamaha YFZ450R  2010\n\u003cbr\u003eYamaha YFZ450R  2011\n\u003cbr\u003eYamaha YFZ450R  2012\n\u003cbr\u003eYamaha YFZ450R  2013\n\u003cbr\u003eYamaha YFZ450R  2014\n\u003cbr\u003eYamaha YFZ450R SE  2009\n\u003cbr\u003eYamaha YFZ450R SE  2010\n\u003cbr\u003eYamaha YFZ450R SE  2011\n\u003cbr\u003eYamaha YFZ450R SE  2012\n\u003cbr\u003eYamaha YFZ450R SE  2013\n\u003cbr\u003eYamaha YFZ450R SE  2014\n\u003cbr\u003eYamaha YFZ450X  2010\n\u003cbr\u003eYamaha YFZ450X  2011\n\u003cbr\u003eYamaha YFZ450X Bill Ballance  2010\n\u003cbr\u003eYamaha YFZ450X SE  2011\u003c\/p\u003e","brand":"HMF","offers":[{"title":"Default Title","offer_id":45413243977958,"sku":"785-1526","price":399.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/5257\/5718\/files\/c601-572a8b133730b_2a29c0b8-e800-4ae3-aabb-a756899ecdbf.jpg?v=1728465459","url":"https:\/\/osburns.com\/products\/perf-series-s-o-yam-4","provider":"Osburn's Family Business","version":"1.0","type":"link"}