Well, I went with it. The color is slightly "more red" than the GRM, but would probably be an even closer match for either of the two newer red variants.
Haven't gotten it on the dyno yet, but seat-of-the-pants easily suggests 5-10 rwhp improvement...
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'16 2SS Garnet Red ~24K
"Mods": GM wind deflector, home-made rear seat delete & platform, not-quite garnet red key fob cover (+10rwhp)
'99 4Runner 367K
'94 ST1100 146K