06 Sep Awesome! This 2018 Yukon Denali Gained More Than 55% Power With Hennessey Performance
Hennessey HPE650 GMC Yukon Denali Chassis Dyno Testing
Hennessey engineers test the HPE650 GMC Yukon Denali on the Hennessey Performance Dynojet chassis dyno. The supercharged HPE650 upgrade takes the factory 420 horsepower up to 650 horsepower, a nearly 55% increase in power to the crank. For more information about upgrading your Yukon Denali, call 979-885-1300.