Duke 390 2013-2014 GPR Exhaust Systems Catalyzed Powercone Slipon Muffler Underengine Mount Catalyzed ECRoad legalwith removable DB killer. Lightweight Powercone Stainless steel silencer weighs only 2.2 Kg aproximate. With the prestige elegant Powercone design. All mounting hardware included for a perfect fitment. Joints\ mid pipes included where applicable. No modification needed. Produced using hand made craftsmanship and advanced TIG welding. Designed and Dyno-tested in GPR's factory. Comes with GPR's 2 years warranty.