The SSC Ultimate Aero is officially recognized by the Guinness Book of World Records as the fastest road-going car in the world. Shelby Supercars has now updated the Ultimate Aero for the 2009 model year giving it a 15 percent increase in horsepower, a revamped front fascia design, and a couple of interior upgrades.
The most significant change however is the 1-piece billet aluminum engine block which improves structural integrity and oiling capabilities allowing the Ultimate Aero to produces a total of 1,287-hp - up from 1,183-hp.
Either way, Shelby Supercars says that the 2009 Ultimate Aero will be able to reach world-record speeds of...
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