What are these parts under rear bumper? (2020 Sport Hatchback)

[MichaelC]

Had a minor rear-end collision recently, and after I got my repaired car back (with a new bumper and hatch), I happened to notice these pieces at the bottom of the bumper which I'm fairly certain were not there before (and the right one has notches on it, while the left one is smooth). Do these parts really belong here, or were they mistakenly added on by the shop?

 

[L8apex]

Those are supposed to be tucked up inside the gloss black part. They installed it wrong.

 

[MichaelC]

Those are supposed to be tucked up inside the gloss black part. They installed it wrong.

Thanks!

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