No matter the condition of your 2004 CTS, OPGI has the Tubing products you need to boost performance and get you back on the road. We currently carry twelve Tubing items to choose from for your 2004 CTS, and our Price Match Guaranteed prices range from as little as $8.99 up to $539.99. OPGI offers Thermo-Tec plus zero other trusted brands of Tubing products for your 2004 CTS, to help you find quality parts you can rely on. With OPGI's 45-day return policy and one 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 Tubing items in person.