Turn off/ minimize Directory tool bars

Are you talking about the title bar that names the directory or the tool bars for things like Guard and Kind permissions?

If the latter, you can right click on the title bar and check/uncheck the selection to hide the tool bar buttons.

Right click in an unused area of the toolbar and deselect 'directory' in when it appears.
To get it back, right click the directory window title bar

im talking about the title bar that names the directory not the tool bar with things such as guard.