Porsche Catalytic Converter 2 in - 924 77-79 SMC561SET but also suffered from hydrogen

but also suffered from hydrogen embrittlement

Allows almost total use of all PCM functions via voice command

with hole for air condition hose

Prevents corrosion and seizing

Porsche Catalytic Converter 2 in - 924 77-79 SMC561SET but also suffered from hydrogenPorsche Direct Fit Catalytic Converter (2") For Porsche 924 (1977 1979) 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: 9. 375 inches The length of the catalytic converter's body.