I only personally know of one person with a carbon fiber hood. It is 100% real carbon fiber and the fit is terrible. He likes it because it is a weight freak (as in, it is AMAZING what extremes he's gone to to shed weight from his car).
So based on a sample size of one, there are other poorly fitting hoods out there. That doesn't mean that all of them are but someone will have to speak up with first-hand experience demonstrating it.
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