As the name implies, universal catalytic converters can be installed in almost any vehicle, as long as the diameters of the inlet and outlet tubes are the same on the converter and the exhaust system, and it is the correct converter for the particular vehicle and the state it will be registered in.

Does it matter what catalytic converter you use?

Every state can choose to follow either the EPA’s standards or California’s standards, and your catalytic converter has to meet the standards of your state. If you plan on registering your vehicle in California, you must use a catalytic converter that meets CARB standards.

Are there different types of catalytic converters?

Converter types “Direct-fit” catalytic converters are of three basic types: two-way, three-way and three-way plus oxidation converters. Two-way “oxidation” converters are used up to 1980 and are designed to eliminate hydrocarbons (HC) and carbon monoxide (CO).