2007-2012 Honda CBR600RR Dual Slip-On Exhaust Lighter than stock. Improved performance. Incredible sound. *NOTE* This is a special order item with an approximate 6 week build time. Stock Exhaust: 8 pounds 4 ounces WerkesUSA: 6 pounds 8 ounces Installation Instructions make-honda,make-honda-year-2007,make-honda-year-2007-model-cbr600rr,make-honda-year-2008,make-honda-year-2008-model-cbr600rr,make-honda-year-2009,make-honda-year-2009-model-cbr600rr,make-honda-year-2010,make-honda-year-2010-model-cbr600rr,make-honda-year-2011,make-honda-year-2011-model-cbr600rr,make-honda-year-2012,make-honda-year-2012-model-cbr600rr