MPC 4 Trumpet Train Air Horn Kit - Fits Almost Any Vehicle: Truck, Car, Jeep, SUV. Includes Four Chrome Trumpets with All-In-One Air System: 110 PSI, 12-Volt Air Compressor, Tank, & More. Complete Kit

Need to make a big noise, but only have a little room? These train horns can fit in almost any vehicle, but deliver the big sound you need. Don't be fooled by their size . . . they may be small but they pack a punch that can rival any air horn out there. Easy to fit, glistening chrome finishing and tuned train horn sound; these horns are the complete package. Our specialized compressor kits will make you horns really sing. All of our compressor systems come complete with a 12 volt compressor, air tank, pressure switch and mounting hardware. These compressor kits are built for performance and easy installation.