There's no mistaking that genuine train horn sound. Loud and deep, Kleinn 500 Series train horns will turn heads and move people - BIG TIME! All 500 Series horns have reversible trumpets so you can get that realistic multi-directional effect, just like a real locomotive. Sturdy aluminum mounting brackets allow for under-body or rooftop mounting. When these horns sound you'll swear that you're standing on the tracks. 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.