I used to have Bosch ones, they are the OEM supplier for European cars hence the common high and low pitch horns you hear on them.
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I used to have Bosch ones, they are the OEM supplier for European cars hence the common high and low pitch horns you hear on them.
here's an option - what i did was got a ferry horn in my little jazz with an air compressor in the boot running 90 psi. verrry deep and loud tone