Urbanworks did buy Gravana, and they did re-direct the URL, but now nothing is going on there. Seems like they went bye bye, and the website will likely remain active till their service providor realizes the bills are not being paid.
My guess is they are another casualty of the tough economic times.
Red / Black Leather,
Manual Tranny, Windrestrictor,
Monsoon with XM , Spoiler,
8000K HIDs on Low Beams and Fogs
Drilled/Slotted Rotors, Painted calipers,
Magnaflow 3" Quad Tip Exhaust, CAI