A common complaint regarding F1 2019's audio is how the 2019 cars sound like their engines have lower-than-normal sound pitch. This mods aims to correct that issue by pitch-shifting the existing V6 hybrid BDL files.
To install the mod, simply unzip the mod files into F1 2019's root directory.
Online compatibility
Time trial: Times can still be posted with this mod installed
Multiplayer: Untested, but assumed non-functional with this mod installed
There's also byte 0x20 that is of interest for pitch shifting. If that byte is set to 00, the sound will change pitch depending on the car's rev limiter. Setting this to 01 eliminates that.