All S4s are going to get that after release of the RS4, according to my source at AoA. Not all Audis will get it, but all the hopped-up performance ones will go that way. On 8/4/05 10:23 PM, "Wylie Bean" <TheRingmeister at triad.rr.com> wrote: Among other nifty exclusives, it will be > available with the Torsen C (60/40 split) diff,