This is a long-running joke on the @MSFSOfficial Twitch streams. The Senior Community Manager of MSFS, Jayne, creates a very close replica of what a stall horn sounds like in an actual plane.
Here are some clips of it…
https://clips.twitch.tv/IgnorantPlumpSquirrelTwitchRPG-3navhkaEvyzMbB6Y
https://clips.twitch.tv/ExuberantUnusualCatBibleThump-I5VnhhUOw6q0qh9C
https://clips.twitch.tv/ExuberantUnusualCatBibleThump-I5VnhhUOw6q0qh9C
https://www.twitch.tv/msfsofficial/clip/BusyTenderLousePastaThat-E1SUiDak3cOxNozT?filter=clips&range=30d&sort=time
So, I decided to replace the default stall horn with Jayne’s stall horn. Here are the aircraft it is replaced in:
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Cessna 208
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Beechcraft Bonanza
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Cessna 152
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Cessna 172
NOTE: For the 172, the Floats and Ski version’s names are changed. This doesn’t affect the aircraft just it has been renamed. -
Diamond DA62
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Extra 330
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Flight Design CT
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Icon A5
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King Air 350i
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NX Cub
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Pitts (Base)
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Savage Cub
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TBM930
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JMB VL-3
If you would like, I can add more aircraft to the list.
NOTE: Do NOT drop the entire folder in the Community Folder or else it will not work. Drag the individual aircraft files inside the CF for which aircraft you want tweaked 
Credit to Jayne for the stall horn and WombiiActual for clipping it
HamFam Simulations Discord: Discord
Download Link: https://flightsim.to/file/64120/jayne-stall-horn