A little more expensive but I prefer the Wolo Big Bad Max air horn. I have one mounted on each hood hinge. I pull power directly from the chassis battery, through a 20 amp fuse and through a 30 amp relay to the horns. The relay is fed by the original horn circuits, so all four horns blow simultaneously.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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