Think of it this way. Instead of having just the Hondata heat shield to keep your intake manifold from getting heat soaked, you have an entire unit that is heat soak resistant. You can also form the CF however you want to get the ideal shape, and have a smooth surface inside that doesn't need any port work. You make the IM exactly the way you want it the first time, without any machining later. CF IS a good heat barrier, and you can even configure the setup with barrier layers of air (like a double pane window) to act as a heat insulator. I don't know if that's included in Larry's design, but you never know. You have the advantages of less heat into your engine, lighter weight, and freedom of design.
