No matter the condition of your 2005 CTS, OPGI has the Fittings & Hoses products you need to boost performance and get you back on the road. We currently carry 45 Fittings & Hoses items to choose from for your 2005 CTS, and our Price Match Guaranteed prices range from as little as $7.41 up to $539.99. OPGI offers Thermo-Tec plus six other trusted brands of Fittings & Hoses products for your 2005 CTS, to help you find quality parts you can rely on. With OPGI's 45-day return policy and six 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 Fittings & Hoses items in person.