Porsche Catalytic Converter - Cayenne 10-11 21-594 SMC-000-270--Rdstr-Dom It features a premium cotton

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Porsche Catalytic Converter - Cayenne 10-11 21-594 SMC-000-270--Rdstr-Dom It features a premium cottonPorsche Direct Fit Catalytic Converter For Porsche Cayenne (2010 2011) Models. A catalytic converter is an emissions control device that reduces harmful pollutants in exhaust gases from internal combustion engines. It uses a catalyst coated substrate to convert harmful pollutants like carbon monoxide, hydrocarbons, and nitrogen oxides into less harmful substances. Key Features: Body Length: 6. 5 inches The length of the catalytic converter's body.