So I slammed in to a wall and need help with fixing my 350 Z I'll take any and all advice right now I know I need a quarter panel driver door and possibly its you other things I already have a full body kit front bumper rear bumper and side skirts

 

The quarter panels are welded. Your gonna need to get it pulled if possible. If they can pull it then they are gonna have to cut and weld. But if it were me I'd get all the arms and wheel components looked at first. They break easily on an impact like that. That would be my first step just to figure out exactly how much you'll have to put into it.