Thats somewhat later,yours is an earlier car with vastly different vacuum set up.
It's a pretty simple matter to get the air assembly off,and is in fact a good idea because the black rubber moulding underneath is prone to cracking which can cause idle problems,while there it gives you a good chance to replace any cracked lines etc.
The sensor you circled with the question mark is a engine water heat sensor to tell the injection and electronic idle control that the engine is warmed up.