It appears that it has 287hp stock from the factory. The link below is available in CarGurus for you reading pleasure. http://www.cargurus.com/Cars/Specs-c2995-2003-350Z.html
its all about wheel horsepower, and i think thats around 240-260
Its about 237 to the wheels. The 2006 and up are Rev-up models which have higher redlines and the 2007s have 296 or 298 horsepower.
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