Have my airbox off on my 2009 to do maintenance and desmog. Getting ready to put it on and I notice at the front of the airbox there appears to be a 5/16 dia. spigot. I don't remember a hose being attached to it.
Can anyone tell me if it should be capped off if I'm desmogging? Or if there's a hose I missed when I pulled the airbox off?