Does anyone use this SS radiator hose?

http://www.siliconeintakes.com/product_info.php?cPath=15&products_id=708&osCsid=3694cdcd4be62a06d01516fdc3e1a9f9

I have seen pics of Chuck Dunlap's RVthat looks like he might have used this.

What are the disadvantage if any?

Joe Berki