Staintune dont make pipes for an FZ6...but you can get staintunes from another bikeand make them fit....there is a guy here in Adelaide that has done it.
as for fully synthetic oil in a new engine, i wouldnt stress, it's gotta be better than that other crap, that makes your engine sound like a ducati.....like someone has thrown a bucket of random bolts in there! that cant be good for your bike!
And as you have said, the difference is like night & day, re smoothness, gear-changing, etc.....so without getting technical, i reckon you have done your engine a massive favour.
My black bike is getting a new lot of 7100 in the next week or so....
:rockon: