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You can find out by inspecting the emissions sticker that is located in your engine compartment.

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Federal

EPA compliant. Not legal for sale or installation in California, Colorado or New York.

All Federal catalytic converters meet EPA requirements. Federal Catalytic Converters are not legal for sale, installation or use in the states of California, Colorado or New York.

Learn more About the Federal Catalytic Converter law

California

Designed to meet California emissions standards, as well of those of other CARB-regulated states.

Converters in this catalog are based on Executive Orders issued by the California Air Resource Board and must be used in accordance with this information. In California, it is illegal to select a catalytic converter for installation based solely on vehicle weight and engine size.

Learn more About California Catalytic Converter law

Colorado

Designed to meet Colorado emissions standards, as well of those of other CARB-regulated states.

Converters in this catalog are based on Executive Orders issued by the California Air Resource Board or have been approved by Colorado Department of Public Health & Environment and must be used in accordance with this information. In Colorado, it is illegal to select a catalytic converter for installation based solely on vehicle weight and engine size.

Learn more About Colorado Catalytic Converter law

Maine

All Maine Catalytic Converters are CARB and/or EPA compliant as applicable.

Maine allows non-CARB compliant converters on vehicles model year 2000 and older. For 2001 and newer vehicles, a CARB-compliant converter is required only if the vehicle is equipped with a California/CARB emissions system. Vehicles with a Federal/EPA emissions system may use either a non-CARB compliant converter or a CARB-compliant converter.

Learn more About Maine Catalytic Converter law

New York

Designed to meet New York emissions standards, as well of those of other CARB-regulated states.

Converters in this catalog are based on Executive Orders issued by the California Air Resource Board and must be used in accordance with this information. In New York, it is illegal to select a catalytic converter for installation based solely on vehicle weight and engine size.

Learn more About the New York Catalytic Converter law

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