Here are a couple of pictures of mine. The piping at the cowl is bent back into itself to produce a chamfer, while the piping at the wing looks as if it was cut to a taper and then any left-over bits covered with heat-shrink tubing. Or maybe that was a previous owner's mod ?
![[Linked Image]](https://www.tm-img.com/images/2021/10/23/Piping---wing-to-cowl.md.jpg)
![[Linked Image]](https://www.tm-img.com/images/2021/10/23/Piping---wing-to-firewall.md.jpg)