Looks like Hyundai is working on a follow up to the current Equus. Not much to see yet. Just a slightly stretched Genesis body.
http://wot.motortrend.com/1409_hyundai_equus_spied_testing_on_stretched_genesis_platform.html?web=SIM:MT|Reviews:MT|WOT
Attention vendors:
I am interested in offering my 4.6 sedan as a test mule to develop a cold air intake.
My location is in Southern CA, if interested PM me