Hatori wrpa-around header for OS 1.60

[Ed Alt]

I received a Hatori wrap-around header for the OS 1.60 today and was surprised to see how small the exhaust opening is.  It's a small oval, apparently with less cross sectional area than the pipe itself.  I expected to see an opening to match the OS exhaust port, which would then taper down.  What's the word on these?  Is this ajust nother hunk of metal to add to my extensive paperweight collection?  BTW, I have a Mueller header on order, but don't know if it will arrive in time for the weekend.

Ed
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