You can still find air raid sirens powered by Chrysler 331 cubic inch (5.42 liter) hemi engines in some locations.
https://en.wikipedia.org/wiki/Chrysler_Air-Raid_Siren
https://www.youtube.com/shorts/8Q9Fd9t3b88
For some reason this Chrysler Air Raid siren showed up on my youtube a few weeks ago. Cool stuff.