The USTL-230 is the solution for truck owners who have lifted their truck and are running oversize tires and are not using the spare tire location. The entire system mounts on a custom designed bracket that is supported by the OEM factory spare tire winch. The kit includes The Beast Model 230 Triple Train Horns, a heavy duty 100% duty cycle waterproof air compressor, 3-gallon air tank and every part needed for simple, bolt-on installation on most full size trucks. Can be upgraded to be even louder by adding a P/N 6885 BlastMaster Plus Valve Upgrade Kit. System also includes a quick connect tire inflator with air hose and storage bag.