If you're looking for a loud, nasty horn, look no further. The Kleinn Model 630 is the ultimate train horn for your car, truck or SUV. The model 630 consists of three chrome-plated copper trumpets with oversized bells for a deep, rumbling train horn sound. The trumpets can be separated for easy installation. The 630 can be upgraded with the BlastMaster Upgrade Kit P/N 6880 to make it even LOUDER!