Toyota Loudest “plug n play” horn for my 2021 Yaris? R4MZON November 13, 2023 7 Comments Cant seem to find any one. And i the standard yaris horn is not loud enough at all. View Reddit by R4MZON – View Source Related posts: Which are you? I hope you’re on the right side of history….. What are dealership markups in Nov 2023 for y’all? 16 Tundra and 15 Sienna oil viscosity Why are brakes rumbling when I slam on them?