The Hellcat-powered Jeep Grand Cherokee Trackhawk is potent enough for a majority of owners out there but if 707 hp does not quite do it for you, Hennessey Performance offer an upgrade to add a whopping 500 horses to that number.
Hennessey’s HPE1200 upgrade involves an ECU tweak and a monstrous 4.5L supercharger, cutting the quarter-mile time by two whole seconds in the process.
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Officially, engine power figures are 1,200 hp (895 kW) at 6,500 rpm and 1,464 Nm of torque at 4,200 rpm.
Push play and watch how astonishing it is to see a full blown SUV running faster than a McLaren 720S down the drag strip.
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