http://www.arb.ca.gov/msprog/aftermk...es/amquery.php

Use that link to confirm CARB Exemption Order #s for your car. Headers, Intakes, Camshafts... all of them are listed by part category or by manufacturer.

Comptech, GReddy, DC are all decent choices for a mild nat-asp build where smog legality is of paramount concern.