Here’s the starting point. This is the RH “Inner Valance” – some people refer to these as the “air ducts” or “air tubes” – they’re not a very glorious part, but very important, and have become RARE! Alot of these just got trashed over the years, and they are not reproduced. They are also very difficult to make, as the tubular section is a pressing that has both rounded sections and sharp angles. This one is completely rust-free, but a little twisted and mashed…