I don’t. A lot of the stuff I work on is for diesel trucks, which are really what need our product. Electical or alternative fuel vehicles ideally won’t need the catalytic converters as much or hopefully at all.
I have hiked small pieces of the Appalacian trail, but not the whole thing. I really love day hiking, but I’m not much of a backpacker. I am in awe of people who do tough!