For riders that demand maximum performance The kit consists of the carbon fiber hexagonal section silencer, equipped with a removable Db-killer with racing coupling, without catalyst. The mufler is lighter than the OE one (3,350gr) , and it has a pure racing souI. Fixed to the OEM exhaust manifold and is fixed to the passenger footpeg with a special band included in the kit. An aluminum or carbon bracket is available (sold separately) to fix the silencer to the bike by removing the passenger footboards. It includes a special map created by Aprilia Racing technicians for maximum competitive performance. For race use only (is without catalyst for exclusive use on the track). Buying the genuine accessories does not void the warranty of the vehicle.