The Akrapovic Optional Catalytic Converter Insert P-KAT-040 has been designed to optimize performance, bringing together the signature sound and enhanced performance of the Akrapovic exhaust system. This Akrapovic catalytic converter insert is built with a honeycomb structure and incorporates precious metals such as palladium, rhodium and platinum. By combining these elements, emissions of hazardous chemicals like carbon monoxide and unburned hydrocarbons are converted into non-toxic carbon dioxide and water vapour. This catalytic converter is compatible with SP Titanium Slip-On Kit S-PI4SO3-HRSS, SP Titanium Slip-On Kit S-PI4SO3-HRSSBL, Titanium Silencer Complete 4-1 System S-H6R14-HEGEHT, Titanium Silencer Complete 4-1 System S-H6R12-HAFT and Titanium Silencer Complete 4-1 Race System S-H6R11-AFT. Compatibility This catalytic converter is compatible with the following motorcycle models: Gilera Fuoco 500 2008-2023 Honda CB650F 2014-2016 Honda CBR650F 2014-2016 Peugeot Satelis 400 / 500 2007-2023 Piaggio Beverly 400 / 500 2007-2023 Piaggio MP3 400 2008-2023 Piaggio MP3 500 / LT 2008-2023 Piaggio X Evo 400 2008-2023 Vespa GTS125ie Super 2009-2016 Vespa GTS300 2008-2016