I'd have to disagree about the Pinto there....but thats a whole new topic.
The fact is that almost anything can be made faster for a price...not just cost either. In many cases adding more required maintenace and a shorter engine life. Ferrari makes their cars have a balance of power and durablility. If you want more power....
"If there is something you didn't find on our website, like twin-turbo engine tuning, racing or sport wheels, interior-design, etc...
Please feel free to contact us and we will see what we can do for you and your Enzo!"
-Quote from koenig-specials.com
I'm sure they'd glady get an Enzo up to around 1000+HP. Its all a matter of what your willing to pay as far as money and engine life.