Looks like a square piece of metal inserted into our rear differential, does not make any sense to me:
https://youtu.be/KK08Uw53Clk
https://www.tractionconcepts.com/Aud...tcxgau9300.htm
and then there is something mysterious on ECS page:
https://www.ecstuning.com/b-team-mfa...trs-05aa4~tmf/
Bookmarks