California Air Resources Board

Aftermarket, Performance, and Add-On Parts Regulations

For Executive Orders regarding:

Catalytic Converters
Alternate Fuel Retrofit Systems
Highway Motorcycle Critical Emission Control Parts

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(800) 242-4450 | helpline@arb.ca.gov
1001 I Street, Sacramento, CA 95814
P.O. Box 2815, Sacramento, CA 95812

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California Governor Secretary for Environmental Protection Chair, California Air Resources Board

The California Air Resources Board is one of six boards, departments, and offices under the umbrella of the California Environmental Protection Agency.