I would not recommend using "bendable" tubing to make a CAI. In order to make the tubing bendable, it is corrugated (like a bendable straw). Those "accordion bends" would be horrible for air flow. You'd cut down on restriction and get cooler air than the stock airbox, but the airflow inside your intake would not be laminar at all. Using mandrel-bent tubing would work because the inner wall of the tubing is kept smooth and kink-free. I was considering getting the hotshot but now i'm actually thinking about doing this myself. It would require some fabrication but i stand to save a couple hundred bucks with a DIY job.
-Grant