The ad below is from the crew that made the 1971 wing cars, I have not seen their louvers in person, but I have heard that they are exact reproductions of the originals.
Barry
For Sale: Repro Challenger and ‘Cuda rear window louvers, made from the same materials as the originals, correct in every way. ‘Cuda - $1500.00 each, Challenger - $1000.00 each. Price includes Louvers, hinges, gaskets and rubber trim. Pin kits are not included, but they are available through Year One. Call Mike at 508-977-0680 or email Gary at
G-Series@attbi.com