Hypertech, a world leader in performance engine tuning, is proud to announce the release of the new Hypertech Max Energy Econ part number 33010 for Chevy and GMC vehicles with the 4.8L, 5.3L, and 6.2L V8 engines. The new Hypertech Max Energy Econ 33010 is available for immediate delivery at VehicleProgrammers.com. This added coverage includes the Chevy Avalanche, Silverado, Suburban, and Tahoe, the Cadillac Escalade, and the GMC Sierra and Yukon vehicles.