These Model 220 train horns from Kleinn are designed for durability, easy fit and extreme sound. The Black finish ABS trumpets with extra-wide bells produce a bone-rattling locomotive horn blast that can be felt as well as heard. The 220's feature two separate mounting air horns each with their own solenoids. This Train Horn Kit from Kleinn Automotive includes everything you need for a complete train horn install on your vehicle. Kits include horns, compressor, tank, wiring, air tubing and switches. There is no mistaking the that genuine train horn sound. Kleinn Automotive manufactures the loudest and highest-quality horns on the market.