Good Quality And Price Of Mini Wholesale Catalytic Converter For Buick Gl8 2.0 2.4

The substrate is also usually coated with a precious metal catalyst, and the exhaust gas passes through the honeycomb pores and comes into contact with the catalyst, causing a chemical reaction that converts the harmful pollutants in the exhaust gas into less harmful substances. The most common pollutant converted by catalytic converters is carbon monoxide, which is converted to carbon dioxide.