Akrapovic homologated catalyst APPROVED EURO 3 Akrapovic proposes a performance-oriented catalytic converter that will give you all the improvements in sound and performance to which an Akrapovic exhaust system has accustomed you. The catalyst is a metallic honeycomb structure that incorporates precious metals (palladium, rhodium and platinum) in its surface. These metals convert carbon monoxide and unburned hydrocarbons present in the exhaust gas into carbon dioxide and water vapor.
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