help required please
 

my car was hit in the back last week its going to be repaired but myself and the repairers are having trouble finding the rear bumper lip/diffuser if anyone knows where it can be bought please could you let me know mine is a genuine one not a fibreglass copy i have posted a pic below so you can see what it looks like thanks in advance for any help

http://www.rollyourfender.com/drop/M..._rearaddon.JPG