H&R Sport Springs for A7 C7
If you installed H&R Sport Springs on your A6 or A7 C7, get in touch with them.
Springs intended for use on the FWD cars have been sold under the Quattro part number. Quattro springs have not been manufactured yet.
I found out from this AW thread - http://forums.audiworld.com/showthread.php?t=2825147