Aftermarket specialist Hennessey has tweaked Jeep's latest Grand Cherokee SRT8, producing the Jeep Grand Cherokee HPE and providing the SUV with no less than 805 PS and 823 lb ft of torque.
In order to produce such a great output, the tuning company takes the standard vehicle's 6.4-litre Hemi V8, replacing it with 7.0-litres, then puts in a twin-turbo forced induction system to come up with a true super-SUV.
Hennessey has upgraded the gearbox to cope as well as ins...