I bought a rigid SUP last year and decided to go with an inflatable SUP so I don't need the roof mount anymore. I've only used it once, but I am missing the 2 small tie-down loops and the adapters (but they are cheap to replace on Yakima's site).
Original purchase listing here:
https://yakima.com/products/supdawg?srsltid=AfmBOornS8Uw1hwiT3WFSz-5Fh7djc4wFRU3ZZOiyAKC0d64J7yAon_B
Pick up near Henderson and Wolf Run Shoals Rd.
Also selling my Tahe SUP/kayak:
https://washingtondc.craigslist.org/nva/spo/d/fairfax-station-like-new-tahe-sup-kayak/7845331232.html