Earlier, it was suggested that a dual wal lpipe would weigh twice what the single-wall one that came with the kit does, and it was also suggested that instead of dealing wit hthe extra weight of a dual wall pipe I should consider just wrapping the single-wall pipe with a ceramic blanket..

Well, those weight estimates now appear to have turned out to be considerably off... I had Tam make up a dual walled pipe for the Hunter and it came in at 410g ; by comparison, Mick's single walled pipe weighs 340g - so if I used even 70g of ceramic blanket with the single walled pipe, I wouldn't be gaining anything weightwise. Note also that the pipe Tam made for me has a larger diameter to suit the chosen P120 powerplant (you may be able to see the diameter difference in the enclosed pics), which means more material and more weight - so in other words if he had simply made a dual wall pipe to the same dimensions as the original single-wall pipe, the minor weight difference would have been even less.

I also had Tam add a 3rd strap to the front of the pipe to aid in holding it in place, and I added a thin plywood doughnut to position & support the tail end of the pipe.