No matter the condition of your 1966 Catalina, OPGI has the Audio Components products you need to boost performance and get you back on the road. We currently carry 25 Audio Components items to choose from for your 1966 Catalina, and our Price Match Guaranteed prices range from as little as $6.53 up to $278.99. OPGI offers Custom AutoSound plus four other trusted brands of Audio Components products for your 1966 Catalina, to help you find quality parts you can rely on. With OPGI's 45-day return policy and twelve customer reviews, you can shop with the utmost confidence. Enjoy parts delivered directly to your home, or visit our sunny Southern California Showroom & Warehouse to check out our Audio Components items in person.