Stainless steel every time and don't bother with fancy tube benders, just buy bends even though it seems expensive at the time. tube benders that are worth having cost £1000's so will take forever and a day to recoup the investment.
You said it yourself, you are miles from anywhere so not ideal for folk to drop a car in to have an exhaust made, that's why MK scores as he is centrally based.....I thought about it a while back then dropped the idea on those grounds.
