Looking for Rear S3 complete Diffuser to my A3 how to? +pics

[Bentfsi]

Hey all
I have an Audi A3 2010 2.0T, I'm from Israel by the way
And i am looking to assemble the Rear diffuser of an S3,
whats the part numbers? Maybe it would be cheaper to me to get it from europe or us because in here its quite expensive i think.
pics of my car by the way

 

[Luap13]

Hi,

In Poland you can buy used rear bumper form s3 after 2008r for around 300 EUR. Like below :

AUDI A3 S3 2009 8P3 ZDERZAK TYLNY TY