No matter the condition of your 1966 GTO, OPGI has the Exhaust Pipes, Flanges & Turndowns you need to boost performance and get you back on the road. We currently carry 22 Exhaust Pipes, Flanges & Turndowns to choose from for your 1966 GTO, and our Price Match Guaranteed prices range from as little as $35.99 up to $276.99. OPGI offers Thermo-Tec plus four other trusted brands of Exhaust Pipes, Flanges & Turndowns for your 1966 GTO, to help you find quality parts you can rely on. With OPGI's 45-day return policy and thousands of 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 Exhaust Pipes, Flanges & Turndowns in person.
Early Black Friday!