after 3 or 4 twists of the throttle I asked myself what lunatic would think of building such a mach

Welcome. Just think, for some of us, that isn't enough.

Yep. That's just the starting point. It's possible to get 300+ horse power out of a rocket. How fast do you want to go?

What kind of twisted individual would ride a stock R3, and decide that it needs even more power?
 
Hello from Oxfordshire. Brought mine just before Christmas, great choice your love it.
 
Welcome from sunny South Wales, black 2013 Roadster here, with CES headers, Ramair, suitable tune, man do these things move