I do like the style of the cocktails, Emgo actually do a very similar style with a removable baffle that I have been thinking about:
http://www.mcas.com.au/motorcycle-exhaust-road/emgo-megaphone-mufflerI can't justify the price of the BC pipes when all they do is make noise. I do prefer the look of the turnouts, which is the reason I'm asking about the re packing.