87,89, or 91 octane?

I don't have issues with 87 so far but some of the comments would be interesting to investigate. If there is noise reduction or any noticeable performance difference might be good to know when I start trailering my Alpine.
 
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This was with 91 and almost all highway miles 2018 sr5. Ignore the tire light lol I picked up a damn nail already.20180203_235326.jpg
 
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