{"product_id":"ns-4-ss-al-slip-on-yfz450","title":"Ns 4 Ss\/Al Slip On Yfz450","description":"\u003cp\u003eEvery DR.D exhaust is built, developed, and tested by Doug Dubach.  DR.D pours more time into track testing, with more experience, than any other company.  A former Factory Supercross rider and career test rider, Dubach is widely considered *the greatest test rider in the sport*.  DR.D exhaust performance is unequalled; while others simply search for peak horsepower on a dyno, Dubach spends hours riding stock bikes to understand where each needs improved power character and\/or more power!  The DR.D R\u0026amp;D Test Center in Warner Springs, California is Dubach*s labor of love; it houses our engineering team, advanced CAD\/CAM technologies, Data Acquisition, Dyno Jet 500 and most importantly, three (3) unique test tracks.     DR.D exhausts are not mass produced, each exhaust is unique and each has been developed on the track to best improve the bikes power character.  You won*t find *universal* components, such as heavy springs and gaskets, in our construction because cutting corners, on the track or in production, is never beneficial.\u003cbr\u003eFeatures:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eNot legal for use in California on pollution controlled vehicles, race use only in California - waiver available\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003eFitment\n\u003cbr\u003eYamaha YFZ450  2004\n\u003cbr\u003eYamaha YFZ450  2005\n\u003cbr\u003eYamaha YFZ450  2006\n\u003cbr\u003eYamaha YFZ450  2007\n\u003cbr\u003eYamaha YFZ450  2008\n\u003cbr\u003eYamaha YFZ450  2009\n\u003cbr\u003eYamaha YFZ450  2012\n\u003cbr\u003eYamaha YFZ450  2013\u003c\/p\u003e","brand":"DR.D","offers":[{"title":"Default Title","offer_id":45413212291302,"sku":"78-07437","price":395.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/5257\/5718\/files\/9fca-572a8967ca97f_05b1ccd1-d37e-477e-a6c9-17778d1f0ae5.jpg?v=1728464221","url":"https:\/\/osburns.com\/products\/ns-4-ss-al-slip-on-yfz450","provider":"Osburn's Family Business","version":"1.0","type":"link"}