I wanted to fit F6 typhoon calipers and pads, but wanted to find out what is needed to be changed. I know the hub needs changing but cant find that sort of hub.

it would all have to be custom then engineered im fairly sure. a set of DBA slotteds with quality pads and stainless brake lines will most likely give you the same, if not better performance

I highly doubt it. The F6 set up would still be larger and they're factory decent pads and slotted rotors.

There's a few options around, none of which that I've seen use BA-onwards parts, so you'd be going solo on this one. Do some searching and you'll find multiple threads on this, including one by me on the option I ended up with.