Unless you can find an OEM backrest at one of the OEM/Old Stock outlets (probably VERY expensive from them now tho, if they're at all available! ); or track one down 2nd hand off eBay/faceache etc, then I think you juuust might be out of luck looking for almost anything OEM, let alone something not everyone is likely to want, like a backrest!!
Not sure it'll help any at all, but you might want to tell us if you want a Rider's backrest &/or a Pillion backrest!
And I'm not all that sure the people like 'SmoothSpyder' even sell their dual mode A/mkt backrests for GS/RS/ST's anymore either, but I guess you could ask?! Here's the last one I could readily find that sold thru the Ads here, and there's a link in that to SmoothSpyder which might help you, too!
Is this the one that you're looking for? This came with my 2014 RSS. I did a search on the part number 708000713 and found a couple of used ones that had been sold. You may be able to find one but it will likely take a while.
Where can I purchase an OEM 2016 RSS Backrest?
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); or track one down 2nd hand off eBay/faceache etc, then I think you juuust might be out of luck looking for almost anything OEM, let alone something not everyone is likely to want, like a backrest!! 
Here's the last one I could readily find that sold thru the Ads here, and there's a link in that to SmoothSpyder which might help you, too! 
Originally Posted by DickB
