i really need some help, I'm need to replace my rear exhaust box however the ones im looking at are all different. my lupo is a 1.4 16v 100bhp with the centre exhaust. there are some sportex ones on ebay. the sellers say they will fit however my exhaust hangers look different? my rear box looks like this ebay item no. 230621645877 however i dont really want to spend £200 . any suggestions?