Callaway Cars – long at the forefront of making fast GM cars even faster – has something powerful for the company’s highly-desirable trucks and and SUV products. This week, Callaway has announced a GenThree supercharger upgrade for the Chevrolet Silverado, Tahoe and Suburban, GMC Sierra and Yukon family, as well as the mighty Cadillac Escalade. Callaway Supercharger Upgrade For GM Trucks/SUVs: DetailsUtilizing service-proven, large displacement Eaton TVS rotor pack assemblies, complemented with Callaway’s proprietary supercharger housing and highly efficient TripleCooled intercooling system. C…