In picture number 4 (One of the exhaust ports) Is that a big feck off crack??
http://cgi.ebay.co.uk/ws/eBayISAPI....sspagename=STRK:MEBI:IT&rd=1#ebayphotohosting
http://cgi.ebay.co.uk/ws/eBayISAPI....sspagename=STRK:MEBI:IT&rd=1#ebayphotohosting