Very common apparently. See Alex's post.

What did the 100 cell cats do to your performance? Did you source and plumb your own?

 

Right chaps, no affiliation but surely this has to be worth a look.

If I didn't already have a ti muffler then I'd be all over this especially if I lived in Sweden!

http://www.ebay.co.uk/itm/181670768772?_trksid=p2060778.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

 

Looks heavy - know weight??

 

That's the titanium version, so significantly less than the 21lbs steel version. Not heavy at all considering.

 

Looks like it's being repaired, is it still the same inside ...

 

As has been said, I doubt it will be a heavy box, probably around 5-6kg at a guess.

Drop the seller a message if you're interested. I only posted it as these don't come up for sale very often from what I've seen and didn't seem badly priced.