Correct Scoop for a '72 Duster

Per the ordering info, the only car in the 1972 Duster line that could be ordered with a scoop package was a Twister. It would have the two scoops like on a 70 Swinger340, 69-70 Coronet/Bee, 71 Demon.

72 Demons got the single dual snorkel.

Here's some reference info:
http://www.hamtramck-historical.com...lershipDataBook/1972/72_Valiant_Duster_20.jpg
http://www.hamtramck-historical.com/images/dealerships/1972PlymouthOrderingInfo/1972_page_55.jpg