Jeep Gladiator, Warhawk and Hennessey

(Bloomberg) -- Hennessey, the modification shop known for adding power to pickup trucks and pony cars and for its ...
Hennessey Performance Engineering has created an HPE650 package for the Jeep Grand Cherokee SRT fitted with the 6.4-liter Hemi engine. When it leaves the showroom floor it has 470 horsepower and ...
Texas-based tuning company Hennessey, also responsible for the wild Venom GT, has revealed its tuning program for the 2013 SRT Viper – called the Venom 700R. Power and torque from the 8.4-litre ...