hello roffe ,sorry to be a pain, i have been back to a triumph dealer and he installed tune no.20311, still got my light on,still showing fault p1079, but worst still, had it dynoed yesterday and was only 109bhp,with arrow end can,de-catted ,ex valve removed and straight through pipe fitted,hordboy was getting 117bhp with similar setup, its telling me this tune is not right, any ideas, thankyou rick..