private industry automotive founded 1991 headquarters houston united states key people john hennessey products automobiles website hennesseyperformance.com a hennessey venom 650r based on a 1996 dodge viper gts . hennessey performance engineering is an american tuning house specializing in modifying sports and super cars from several brands like ferrari porsche mclaren chevrolet dodge cadillac lotus jeep ford gmc lincoln and lexus . established in 1991 by john hennessey their main facility is located west of houston texas . this firm focuses on mechanical component modification for creating high powered cars . besides performance automobiles they also tune sport utility vehicles such as ford raptors and jeep cherokees . they also work on luxury cars like bentleys and muscle cars like dodge charger and challenger . contents 1 tuner school 2 notable cars 2.1 hennessey venom gt 2.2 hennessey venom f5 2.3 velociraptor suv 2.4 hennessey cts v 3 controversy 4 see also 5 references 6 external links tuner school edit in 2008 the tuner school was founded by the company . it is a private institution dedicated to teach and train high performance vehicle tuner technicians . it is located at lonestar motorsports park near the hennessey performance headquarters . all instructors at this education facility are actual performance tuning mechanics . notable cars edit hennessey venom gt edit main article hennessey venom gt in 2010 hennessey performance revealed the hennessey venom gt a modified lotus exige . it has an engine that generates 1 244 hp and weighs 1 244 kg . aerosmith frontman steven tyler purchased a venom gt roadster for a reported 1 000 000 . it is also the fastest street legal car in the world with a speed of 270.49 mph . it does not hold the official record . hennessey venom f5 edit in late 2014 to early 2015 hennessey performance will unveil the hennessey venom f5 . it is powered by a turbocharged engine that produces 1400 hp . velociraptor suv edit the hennessey velociraptor suv is a luxury off road full size suv modified from the ford svt raptor . the suv is limited to 30 produced a year however since its introduction over 400 versions have been made . it uses the same engine ford uses for the pickup truck version . the second generation version is a luxury off road heavy duty suv modified from the 2015 ford super duty lariat version with design cues from the ford excursion . as of 2015 the first generation model has been discontinued . hennessey cts v edit the hennessey cts v is a tuned 2016 cadillac cts v that boasts 1000 horsepower . 1 controversy edit hennessey has been the subject of numerous lawsuits and better business bureau complaints throughout the years with many bbb complaints left unresolved 2 and according to court records many judgements entered against hennessey . according to car and driver a 2002 dun & bradstreet search had also turned up significant concern about hennessey s financial footing . as of june 1 2016 hennessey performance engineering holds an f rating from the bbb . 3 on april 31 2016 jalopnik published an article outlining hennessey s many customer service and potential fraud issues . 4 see also edit hennessey viper venom 1000 twin turbo another car tuned by hpe lingenfelter performance engineering a similar company vorsteiner another similar company specialising in european luxury & high performance sports car brands such as audi bmw mercedes benz and more . they also has alloy wheels division . references edit http www.autoblog.com 2015 04 09 2016 hennessey cts v 1000 horsepower http www.caranddriver.com columns supercars can bite as hard as they can run http www.bbb.org houston business reviews auto perform race and sport equipment hennessey performance engineering in sealy tx 13004147 http jalopnik.com ex employees say hennessey is a bigger mess than you ev 1778134112 external links edit wikimedia commons has media related to hennessey performance engineering . hennessey performance 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