what rear bumper is this ?

 

well thats an rs4, im not sure but i dont think thats a stock rs4 rear. might be but i dont know the overseas audis

 

rs4 rear bumper for sure

 

All the info is here:
http://hometown.aol.co.uk/CurlD7/Audi.html

 

indie jones beat me to it, good guy... helped me alot with all my rs4 questions. he spent a lot of time gettin the parts from a wrecked rs4 avant ( b5 of course ) and cut the stock quarters off to match the front and rear bumpers