At 1,183 HP you can not go wrong with this MONSTER!
The Ultimate Aero at $600,000. posted 257.41 mph on the first pass and 254.88 mph on the second for an average of 256.18 mph. Official data were collected via a GPS tracking system from Austrian data acquisition company Dewetron. Guinness World Records later verified data for an official top-speed announcement on Oct. 9, 2007.
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