"Stealth nozzles" (not thrust vectoring nozzles) are not only for stealth jets. They can reduce the Infrared signature of a standard aircraft in the rear aspect, and that little bit could help it survive against a high off-boresight WVR IR missile, that needs a certain minimum signature to get a lock on a target.
The Stealth (LOAN: Low Observable Asymmetric Nozzle) for the F-16; can be applied to a non-stealth fighter, it is not a TVC nozzle
http://www.f-16.net/g3/var/resizes/f-16-photos/album11/album28/aam.jpg?m=1371917522
http://www.f-16.net/f-16_versions_article20.html
Potentially the Chinese variant could be modified to remove the TVC section, to save weight, and keep the RCS and IR reduction aspects
https://pbs.twimg.com/media/DZ1ZSUlWkAEucPk.jpg
It would be similar to the Nozzles on the F-35 that don't move; as in the F-35A and F-35C
http://aviationweek.com/site-files/...s/uploads/2017/06/28/SOSV-1_Pratt-Whitney.jpg
Also, I wish it were true the RD-93/WS-13E was at the same level as the GE 414. If you can find an article showing it will perform at that thrust level I would be glad. All I saw was the RD-93MA is to be a 9,300 kg/20,500 lb max thrust engine, and the WS-13E maybe its local equivalent.
I suspect the engine in development from these articles are the WS-19; which still needs time to develop, but we should keep an eye on, just in case it matures enough to become a viable upgrade to the JF-17 Fleet.
https://web.archive.org/web/2015081...ycenter.net/research/pubID.219/pub_detail.asp
"According to the Russian media, the original contract for the fighter's RD-93 engine covered 100 powerplants with an option for 500 more, and an uprated 20,500-lb.-thrust version, the RD-93MA, is under development. Meanwhile, one JF-17 is reported to be flying in China with the Guizhou WS-13 engine."
https://aviationweek.com/awin/china-s-warplane-industry-expands