Loud Universal Train Air Horn Kit 185 DBLoud Universal Train Air Horn Kit 185 DB Make your presence known when you're out on the road with the help of our premium train horn. Our truck train horn was built to produce sounds as loud as 185 decibels without a hassle. With its compact design, the car train horn can easily be placed on any automobile with extreme ease. It does not obstruct your view when you drive, making it a safe component to add to your car. Not only does it serve as a horn,