Heat pipe from heat shield

[Peterrose1991]

My pipe/tube that is connected to my heat shield vanished yesterday?! who knows if it fell out or what but anyway can anyone give me some links to where i can get some pipping/ tubing shouldnt cost much but i dont know where to look or if its quite specific?
thanks

[Cam]

Its not major important, just try scrappy or go to halfrauds mate.