Hennessey Performance Engineering is an American hypercar manufacturer and high-performance vehicle creator.
In addition to building the Venom F5 hypercar, the company specializes in 'making fast cars faster' modifying sports cars from several brands including Chevrolet, Dodge, Cadillac, Jeep, Ford, GMC, and Lincoln. Established in 1991 by John Hennessey, their main facility is located 45 minutes west of Houston, Texas in Sealy, Texas. The firm focuses on mechanical component modification for creating high-powered cars. Besides performance automobiles, they also tune pickup trucks and sport utility vehicles such as the Ford Raptor, the Ram TRX and the Jeep Grand Cherokee. They also work on muscle cars like the Ford Mustang, Dodge Charger and Challenger.