Audio Systems: remove stock radio, head screws, stock radio

Question
I have a 06 f-250 and need to remove for an after market. Is there a way to pull it with out pulling the dash?

Answer
I have not done that new of an F250. this page is for the ones I have done;
http://www.installdr.com/InstallDocs/FLM/PDF/356049.pdf

Otherwise, the radio on most newer Fords is held in place with four 7mm head screws. The trim panel around the radio typically pulls off.