Leave it to Hennessey to make an already awesome vehicle even more awesome. Their latest is the HPE550 Supercharged kit for the new Cadillac Escalade, which upgrades the Escalade’s stock 420 horsepower, 6.2-liter Ecotec3 V8 engine into a supercharged one good for 557 horsepower and 542 lb-ft of torque. Along with the extra power, the kit includes and air-to-water intercooler system to keep charge temperatures lower, Hennessey’s recalibrated engine management computer, and optional lightweight Hennessey H10 forged monoblock wheels. Learn more about the package here. – $15,000+
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