Quote: There is much more out there that validates 4Spd cars came unsilenced. I didn't believe it 23 years ago till I reserched the differences in the Auto and 4Spd. I am sure some came from the factory with a dual snorkel but that was not the way they were to be delivered.
I have a friend that had an unrestored all original '67 GTX auto, A/C, and it had an unsilenced air cleaner and that was the original...