Fabtech-Performance introduces one of the biggest and baddest Intercooler pumps in the market for your CTS-V! Constructed form Billet 6061 Aluminum it flows 20 Gallons Per hour! This pump comes with 3/4 inch Hose Barb Fittings for easy install, and Is a must have modification for any CTS-V. If you are doing a Heat exchanger upgrade, it is a perfect addtion.