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2015 Cadillac Escalade | Tuned by Hennessey Performance

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Even before the 2015 Cadillac Escalade arrives at a dealership near you, John Hennessey and his crack team of speed specialists at Hennessey Performance (HPE) already tune-up one for those with discerning taste. Featuring the Hennessey HPE550 Supercharged Upgrade Kit, engineers traded the stock 420 horsepower, 6.2-liter Ecotec3 V8 engine with a supercharged one delivering 557 horsepower and 542 lb-ft of torque. Along with the tuned powerplant, HPE added a new intercooling unit, 20-inch H10 wheels and custom engine management system. Each tuned, tested and numbered, the Hennessey HPE550 Supercharged Upgrade Kit costs around $15,950 USD and comes with a 3-Year / 36,000-Mile Limited Warranty.