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Cutting out the Catalytic Converter

Let’s Talk Catalytic Converter

If I remove the catalytic converter from my exhaust, what happens? Not talking about the legal ramifications. I mean the O2 sensors, trouble codes popping up, etc. I have read in MVS someplace that just leaving them in is needed, but maybe relocating them back a bit? I don’t really know what will happen but I want it off.

Another question: Will it cause any problems with the valves (exhaust) or anything else?

Cutting out the Cat

Bonus! What Is A Catalytic Converter?

catalytic converter is an exhaust emission control device that reduces toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction (an oxidation and a reduction reaction). Catalytic converters are usually used with internal combustion engines fueled by either gasoline or diesel—including lean-burn engines as well as kerosene heaters and stoves.

The first widespread introduction of catalytic converters was in the United States automobile market. To comply with the U.S. Environmental Protection Agency’s stricter regulation of exhaust emissions, most gasoline-powered vehicles starting with the 1975 model year must be equipped with catalytic converters. These “two-way” converters combine oxygen with carbon monoxide (CO) and unburned hydrocarbons (C?H?) to produce carbon dioxide (CO2) and water (H2O). In 1981, two-way catalytic converters were rendered obsolete by “three-way” converters that also reduce oxides of nitrogen (NO
x), however, two-way converters are still used for lean-burn engines. This is because three-way-converters require either rich or stoichiometric combustion to successfully reduce NO
x.

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