Not enough aftermarket support?
Here is one store that has a lot of the items…
http://therpmstore.com
The only thing that really hasn’t completely taken off with the 6 cylinder version is a turbo, only because of the computer system.
But, besides that… there are tons of parts available…
If you want to find out more, you can go to:
http://mazda6club.com
http://mazda6tech.com
Two great sites I venture to often