WTB rm85 front expansion chamber

[SkAgS]

Hi , Im after a front expansion chamber for a rm85 , its a 2005 model but im pretty sure any of the 85's should fit , im not really after paying big dollars for a fmf ,pc,bills etc, but if you have one left over from putting an aftermarket one on that isn't to bashed up and seals good , ill be interested in taking it off your hands for a decent price :)
I am in Canterbury area but would be ok with posting from any ware
looking forward to hearing whats available thanks :)