I just sent you a PM about my post on the last page. (At least I think I did, I don't see it in my sent messages folder...) I have the R6 version for sale from my 2014 SR5.
I've got a used set of 2014 SR5 OEM running boards for sale. Part number: PT925-89140. Asking $300. Would prefer pick up in Philly area, but willing to ship UPS if buyer pays shipping costs. Shoot me a PM.
See link for sample pictures...