kev just posted some ferodo info on another thread, can't remember the title though, do a search for his posts
Not sure about redstuffs as i've never used them
never heard anyone with just cats and oem zorst mate, so can't help mate
But i'd say you should be still within the limits, maybe?? as the measurement is @ 4000rpms isn't it?
it all depends on what you do with the Z really.
Pads: prject MU are really good too, if you listen to my italian friends over at their Z forum, quite a few track nuts over there
no probs mate, a guy round the corner from me has an 06 too, he must be working for a dealer as he's got diferent nissans all the time, but he now seems to prefer the new silver 06 Z will have to go around and introduce myself