Picked it up today and fitted it just before heading out to my night shift so I've only taken 2 quick snaps. Apparently, I've snagged the first one in Perth, perhaps even Australia, Muhahahaha
Louder, deeper, meatier.....and thats without removing the baffle as I didn't have time to muck about with that. I'll pull it out tomorrow on my day off and see how it sounds.
Riding into work at 70, 80 and 100 kph, the noise is very tolerable (I have acoustic earplugs in) and doesn't appear to drone on at all. Even got some crackles and pops on the trip lol.
AU$219 in person at their warehouse shopfront or AU$279 on their Ebay store