QUOTE(mtndawg @ Aug 15 2020, 09:49 AM)
I did this on my last car. If I recall correctly RD has the shelf with the channel for the rubber. Trim it to fit. Look at 2nd page of this thread to see the piece.
http://www.914world.com/bbs2/index.php?sho...=239002&hl=Yes, RD has the shelf with channel and I think sells just the channel also so you have options. I installed a shelf on mine. It's a pretty easy install but you have to do a bit of fiddling and cutting to trim the piece for a perfect fit.