The clamp at the bottom is a "Wittek 6" clamp. A Wittek 7 would likely work as well. They are on eBay but, the prices are out of line. People who sell smog systems may be a source for reproductions. Chuck
Here is picture of original 1973 never been off and like Don said nothing on air cleaner. Yes it was routed over the shock tower brace. I still have a couple NOS hoses in garage.