I remember reading on the old site a long time ago about who Q's mentor was, it was in a thread that had long since been buried and was a passing remark.
So I did a little research about the guy that was Q's mentor (don't remember his name now, sorry).
Found a website selling one of the guy's pipes for a 125cc bike and guess what, it looked virtually identical to the 250 Q pipe, nearly a carbon copy.
I've never seen a pipe that's shaped quite like the 250 Q pipe, even on other brand quads and dirtbikes, but there was one right there that looked precisely like a scaled down 250 pipe.
Hmm, maybe it's the other way around and the 250 pipe is scaled up?
Who knows how he designed the 500 pipes, or if they were rough copies of another successful design.
Just saying....LOL

I will say this much, for the 87+ 250's, there isn't a better pipe.
On the 500's, it may not be the HP king but it's still a strong runner...there's really not a lot of difference between the top 3 contenders, but way ahead of your average pipes like the DG/FMF/trinity pipes.
I may not care much for the guy, and whether his design is suspect or not, they're good pipes either way.