another quick updatey exhaust turned out to be ok the "blowing" sound i was hearing was the diffrence in the oem backbox n new1 so thats money saved....TTE spoiler will be arriving at idrees`s house on fri so i shld be able to head down n get it fitted when we have made an arrangement.....as for the air box jimbo, wait till its fitted!! i cant really heavily mod the engine n im getting most of the juice out of it as it is might aswell make it look pretty for the sake of £3 all NA owners should do it! ;) p.s what was this ignition advancing you did when you had a fe? gains? fuel eco? power?