AKRAPOVIC P-KAT-025-1 Ducati Monster 1100 / 1100S / 796 / 696 Catalytic Converter Set (for AKRAPOVIC exhaust)Catalytic converter set for Ducati Monster models by AKRAPOVIC. Akrapovi uses performance oriented catalytic converters that give you all the sound and performance upgrades youre used to with Akrapovi exhaust systems. The catalytic converter is a honeycomb metal structure that incorporates precious metals (palladium, rhodium, and platinum) into its surface. These metals convert the poisonous carbon monoxide and unburned hydrocarbons found in exhaust