No matter the condition of your 2004 CTS, OPGI has the Gauges, Panels & Kits you need to boost performance and get you back on the road. We currently carry thirteen Gauges, Panels & Kits to choose from for your 2004 CTS, and our Price Match Guaranteed prices range from as little as $12.99 up to $1,292.99. OPGI offers Intellitronix plus one other trusted brands of Gauges, Panels & Kits for your 2004 CTS, 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 Gauges, Panels & Kits in person.