Hi everyone,
Just recently my local rc club which I'm member of, managed to receive a ~30000USD for building an rc track!

We're looking for good pipes. So far we've been using this type:

it' convenient as it bends well but unfortunately breaks quickly.
I saw that Joey (The Dirt) uses white pipes which are smooth on the outside and flexible. Do you know what exactly it is? If it survives DNC, it will survive our local racing