How much did taking out the lumbar stuff fix the seat problem for you? And what solution did you end up on for the seats in general? I actually just returned a newly purchased '22 stang with cloth seats to the dealership for the exact same lumbar support issue as you. It got very painful for me...
So did this fix the problem for you? I actually just returned my '22 stang to the dealership because the lumbar was bothering me so much (even when "fully recessed"). Other S550s I test drive seem to have more or less the same issue, though the leather seats seem to be *slightly* better than the...