I work under the axiom that I am optimistic that anything CAN be done but am skeptical that success has been achieved. I also believe Einstein when he said "Imagination is more important than knowledge". The promise of power is like the promise of wealth, "show me the money" :-) I've designed, built, and raced motorcycles and cars in the last 35 years and about half the time, I found the promises made by bolt-on stuff was as good as a JC Whitney claim!
Here's something no one has mentioned..... Carbon Fiber driveshaft.
Here's one of my less conservative moments = http://www.trackpedia.com/photogarag...medium/270.jpg
I am more a gas pedal guy than a brake pedal one