My carbon ones will be up for sale when I get around to it. They were on the bike when I bought it, no makers name on them. They need one band re-riveting, and the carbon sleeve has come undone slightly one one can but should glue back on. I'll get some pics later. No idea what they are worth though.
Here you go. I reckon someone has had them apart ay some point and repacked them because the finish on some of the rivets doesn't look too clever. And the insides, yes that is a hole on the inside of the right hand one I reckon they could be cleaned and tidied up quite easily. They sound nice.
Cheers for that Gilps!! I'm actually after slip-on's without the link pipes, think I might need to edit my ad!!