I hear the whole DPF delete thing will be an issue very soon, and will filter down over the next few years to small mot garages, milltek have a pipe that looks like a dpf!also what are the laws of taking off the cat on a diesel?
http://www.millteksport.com/product.news.read.cfm?articleid=132#.U4ubMZRdVqs That looks nice, albeit probably expensive!