Nah, not fitted it yet. The original headers I bought have been chopped and it is all waiting to be fitted, but the bloke who I'd do it with at his work shop is on holiday funnily enough. Plus I'm actually enjoying the sound of the bike with just the stubby. So if I don't like it with the decat I'll be selling it.
I got it from that link above. Think it cost about 90quid and then 30quid for the duty which caught me out unfortunately. Yeah I tried looking for it but my history won't go that far back anymore.