Sorry it is a bit dirty at the mo.
The Cat-back exhaust system has a great sound and is not too loud on the motorway either, It only really kicks in when you rev/floor it. It has a lovely note even at tick over but it is not too obtrusive. Also I have noticed a massive power gain from fitting it.
http://www.boltlightning.co.uk/LEMANSTRIP/images/ScorpionExhaust%20001.jpg
http://www.boltlightning.co.uk/LEMANSTRIP/images/ScorpionExhaust%20002.jpg
The other great thing about it is that the Box does not hang down, It hangs up instead, this is what I mean;
http://www.boltlightning.co.uk/LEMANSTRIP/images/ScorpionExhaust%20004.jpg
http://www.boltlightning.co.uk/LEMANSTRIP/images/ScorpionExhaust%20003.jpg