[Aussie Mike]

I get them from Difillipo or Aero Engineering. Darren will look after you. I think he does a kit now.

I use 2" pipes for the bends where they come out of the guard and get them in a 4" and a 6" radius (from memory).

They difference in radius needs to be the same or close to the diameter of the pipe to get them to nest in next to each other nicely. So 4" and 6" radius or 3" and 5" radius etc. It's hard to find pipes in radius that will nest properly. Most of the manufacturers only have one set of dies and one radius. It's even harder when you are dealing with suppliers of stainless bends.

Cheers