Now my sigma, was 140 and when a friend said he had bort the lot bits for 150 I said how much, me said £100 and I said when. So me fitter and got the new software for ecu but said. That cc found that the air cleaner was better using the 140 air cleaner and piping it to the fuel injection. He had heard them say. ??? Now I have asked cc for the parts but nothing. any other suppliers malcolm