The catalysts are in the exhaust system, between the engine and the muffler, and are one of the last lines of defense against air pollution by vehicles. They use ceramic balls and various precious metals to convert pollutants such as unburned gases and nitrogen oxides into harmless gases.
Catalytic converters – commonly known as catalytic converters – often last for 10 years or more, but can be damaged by the contamination of other substances by overlapping or overheating. In addition, metals can attract the attention of thieves: catalytic converters are often stolen due to precious metals inside. Converters have small amounts of platinum, rhodium and palladium, all of which value for metal traders.
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