DUCATI MONSTER 821 2018 2019 Doulbe Exhaust Mk3 MIVV RC. Exhaust MIVV compatible with DUCATI MONSTER 821 2018 2019 Stainless Steel - Silver - racing - The MK3 line, the result of the experience gained in the Moto3 and Moto2 world championships, is the perfect synthesis between performance and technology. With a design similar to the exhausts made for the MK3 world championship, it is a compact-sized product capable of releasing the captivating mivv sound. From an aesthetic and construction point of view, the lasered MIVV mark and the presence of a protective grille on the exit pad must be highlighted. Original MIVV product, include components for installation.