Just going through things on my newly acquired 1972 240z and when I pulled off the air filter housing, it looks like I have a part missing.

I'm assuming that it should look like this:

So I need the horn/trumpet/velocity stack part that must be a slip fit onto this flange

 

Thanks,

Ken

Oddly, I have just a backing plate with no cover. I had no ideas they come off. I'll have to dig it out and send you pic if you want. 

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Thanks Jeff for digging that out for me.  I ended up finding one locally though that while different, I think will work.

 

I haven't picked it up yet, so I'm not sure whether the horn part is welded to the flange or no.  If so, I may drill out the spot weld and weld it onto mine.

Cool. Local is always best, no shipping!