After spending time behind the wheel of the 2015 Escalade earlier this month, we can say that the SUV, with its 420 horsepower and 460 lb-ft of torque, isn’t exactly lacking in the engine department. Still, there will undoubtedly be certain power-hungry buyers looking for even more muscle, and for these folks, Texas-based tuner Hennessey Performance Engineering has just the thing.
Hennessey has announced an HPE550 supercharger upgrade that boosts the Escalade’s 6.2-liter V8 up to a mighty 557 ponies and 542 lb-ft of twist. Working in conjunction with the blower, which runs 6.0 psi of boost, to make those gains possible are a high-flow intercooler and special engine management calibration.
In addition to the performance goodies, the HPE550 package includes special badging, embroidered floormats, and serial-numbered plaques on the dash and engine. More importantly, Hennessey also throws in a little peace of mind by including dyno tuning, road testing and a 3 year/36,000-mile limited warranty.
The pricetag for the HPE550 treatment is $15,950, and consumers with deep pockets can spring for other like $6,950 20-inch forged monoblock wheels. It will be offered not only on the Escalade but also on all models with GM’s latest 6.2-liter V8, including the new-generation GMC Yukon Denali and Denali XL, GMC Sierra Denali and Chevrolet Silverado.
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