I've been running mine for about a month now. I also changed my exhaust to a fujitsubo though, so i dont have a direct noise comparison.
So far, things are fine. the bracket was a little fiddly to bolt up properly, but is still nice and tight. The flange is still sealing fine at the turbo and the B pipe, and i haven't found any cracks.
I dont have any emissions testing up here, so i cant comment on that.
overall, fairly impressed... and happy with the peace of mind that it offers. at the very least for those immediate flashlight checks.