Want to see what our kits are consist of? Check out the pop-up links on the kit above to get a part-by-part breakdown of what each component is, how it works and even an explanation of how to read the part number. Get more familiar with all of the components that work together to deliver the loudest train horn kits you can buy! Have a question we didn't answer here? Be sure to check out our FAQ's Page and our Train Horn Guide for more info!