chieftan

My '51 Chieftan has an under-seat heater, but is missing the sheet metal duct under the seat that directs the hot air around. I think it's a 2 piece item. Anyone know about or maybe even have one? 1951-2 is the same, and I suspect 1953-4 the same or close.

Greetings, Pontiac Peeps I just acquired a 1955 Pontiac Chieftan - it's a one-owner barn find, I got from one of my Mississippi cousins. Brought her home and started going through it - yesterday, son and I replaced plugs & wires, oil, and gassed her up - unfortunately, she appears to be locked...