John Hennessey test drives a client's 2017 Challenger Hellcat with the HPE850 upgrade kit equipped with long-tube headers, drag radial tires and electronic exhaust cutouts. For more information please contact us: 979-885-1300 | http://www.HennesseyPerformance.com
Would you like to learn how to make fast cars faster? Check out Tuner School where our classroom includes a chassis dyno cell and a 1/4 mile dragstrip - all on the Hennessey Performance campus!
979-885-1300 | http://www.TunerSchool.com