John Hennessey tests 2013 Jeep SRT8 with HPE650 Supercharged upgrade. 0-60 mph in 3.9 sec. For more information, call 979-885-1300 or visit: http://www.HennesseyPerformance.com
Want to learn how to make fast cars go faster?
Check out Tuner School where our classroom includes a 1/4 mile dragstrip!
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