Thought my exhaust had gone to, its been blowing for a week or so anyways had a 'spare' and fitted it, BUT the reason for the noise was in actual fact a gasket...ie £3:00. However having swapped an original JDM system for a UK system its well worth it, the UK system does sound different...better, not real louder but more rorpy much nicer. If you decide to change it yourself ( why wouldn't you!!) make sure you have some new nuts M10 fine pitch....and gaskets 2.5" dia. (4 gaskets £10 and 50 nuts £10 ebay) save yourself and do it yourself.