The upgraded train horn kit is built for drivers seeking maximum volume, mechanical strength, and superior build quality. Outfitted with dual chrome trumpets, the system delivers an intense 150dB air blast, providing an effective warning in all driving scenarios—from congested highways to off-road conditions. This model's standout feature is its reinforced metal air tubing, replacing standard plastic lines to ensure better pressure handling and extended lifespan. The zinc alloy trumpet bodies resist rust and external damage, while the air compressor's copper coil boosts airflow capacity and response time. Whether you're driving a pickup, motorcycle, or watercraft, this system is designed to deliver lasting performance. Inside the housing, the streamlined airflow design minimizes turbulence and leakage, translating every pulse of air into sharper, more defined audio. With compatibility across most 12V electrical systems, and including a full mounting set, the kit is easy to install and ready to use. If you're looking for a reliable 12V horn upgrade, this all-metal solution offers serious power, professional materials, and broad vehicle fitment. Make your presence known. Install with ease. Hear the difference in every blast.