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Did you go OEM or Suncoast? Asking because Suncoast decal is from the 997.1 GT3 RS that has a 4" shorter wheelbase and your decal looks like it covers the full length between wheel openings, which suggests Porsche has a longer decal for 991 RS. If one were using the 997.1 RS decal on the 991.1 RS there'd be an extra 4" of space between the wheel openings and that doesn't appear to be the case in the case in the photos below.
Mine was installed at the factory but I believe they use the same part# that Suncoast sells. I can post a pic tomorrow.
I guess the factory doesn't put the rear quarter clear film on cars with the side decals. I'm not sure how the mat decals will look with a clear film over them compared to the door without. Something to think about if you are going this route.
Mine has taken a few hits already so I'll likely have to replace it as some point anyway. Unfortunately they like to gravel roads in the winter and chip-seal roads in the summer and it never clears off 100%.