Hennessey Performance

The Ferrari 458 Italia Spider is already a heavily-admired supercar, running 0-100 km/h in 3.5 seconds and produces 557hp from its naturally-aspirated V8 engine....

Hennessey Performance in Sealy, TX, is known worldwide as one of the world's most incredible supercar performance developers and installers. The recent Hennessey Venom...

Hennessey Performance have unveiled their long-awaited performance upgrades for the C7 Corvette Stingray. Two packages are offered with a HPE500 upgrade being the entry...

Hennessey Performance is not relenting when it comes to furiously testing its upgraded 2013 SRT Viper Venom 700R performance package as demonstrated by this...

Hennessey Performance has been on a roll as of late with their Venom GT breaking speed records seemingly every month. Now, in anticipation of...

Hennessey has just released a new video showcasing its HPE700 tuned Chevrolet Camaro ZL1 completing the quarter mile in just 10.82 seconds at 131mph. Even...

John Hennessey has released to us exclusive information on his upgraded 2013 model of the Hennessey Venom GT supercar, called the 2013 Hennessey Performance...

Texas-based tuner John Hennessey used the SH130 toll road near Austin, Texas to set a new record with a Hennessey CTS-V Coupe VR1200. Test...

John Hennessey and his team have released their first package for the brand new 2013 SRT Viper. The Venom 1000 Twin Turbo engine upgrade...

Hennessey released details of a limited edition, 1,200hp version of the Cadillac CTS-V Sport Coupe today. Just twelve will be produced and each will...