Ey up Irving, these are going on the Fuono. The only magazine called 'Which Can' Aldo reads is about Strongbow, Bulmers or Magners and its free from Aldi. Cans are all much of a muchness, its only if you go extreme stubby or huge diameter you get a bit of funny running, and you can go on a dyno and set the bike up properly anyhow.
For the T I like me carbon Arrows, but for looks I prefer the satin black Aprilia racing ones. But for sound its hard to beat the Ape Ti ones like Batfastard has on. Everyones got different tastes though eh, I personally have never liked any Akras but their obviously superb. I've got some no make ones on the Fuono at the mo and they sound ace even with the baffles in and the quality is as good as anything I've seen.
I was in a well known exhaust manufacturer/distributers a while ago and they were taking a delivery of what could only be end cans. Tonnes of em all in boxes from Japan and none had any brands to them. Make your own mind up about that one.
I've had umpteen cans on me Prillas, big brands, no brands, cored, baffled etc and to be honest I've not noticed any difference in performance in any of em.