Audi TT RS Coupe 2020 has incorrect exterior trim material. Front splitter, side skirt blade, rear diffuser, wing supports and wing end plates are matt black. They should all be gloss black (matching gloss black mirrors). Mirrors are currently gloss black as they should be. Grille surround is matt black as it should be.
Images provided for reference.
Front splitter:
Skirt blade:
Rear diffuser:
Wing supports/end plates:
Mirrors:
