Originally Posted by Downhilldai
Yamaha do a nice looking grey colour flexible trunk with plastic flanges which screw onto the transom box. You can also get the same stuff from IBS - around £20 for a 1 metre kit IIRC. These come in 1.5" and 2" diameter.
Googled IBS and got loads of really useful info on irritable bowel syndrome!
Tried IBS boating and got "do you mean excessive bloating and irritable bowel syndrome"!
Thank feck I didn't search for images!