Hennessey is absolutely mental. It produced the fastest American car of all times and they are known for producing great tuning kits. Now, they’ve released a tuning kit for the GMC Denali Yukon which powers up the car by more than 240 HP. Now, a full sized SUV can hit 60 mph in 4.5 seconds. And yes, listen to that 6,2 V8 rumbling beneath that hood.
That was really over the top. What do you think of this next video?