Check and see if you have the WS6 option code on your door.
00 WS6 A4
Lid, LM1, ported TB, tune, SFCs and LCAs.
13.03 @ 107.77 2.029 60' (10/17/09)
New (4/2010) 6.0L, stock 317 heads, torquer V2 cam, Kooks, pulley, LS6 intake, Performabuilt L2 tranny and a 3600 stall. No track times yet.