I think this cooking on the manifold is probably limited to canned foods. Thats if the manifold is designed in such a fashion to enable it. Especially at speed.
You may have a blown out bagel otherwise.

The air velocity at 60-75 mph is probably substancial under the hood. Mounting a metal container somehow on the manifold and filling it with water and inserting the soup or whatever can into it. Plus knowing how long to leave it in the container might produce results.
The heating action will not exceed 212 degrees until the water is gone. Just a matter of timing.

I thought April the first had passed.