Demco Coach Air Kit - Premium Air Suspension System for Smooth Rides | Perfect for RVs, Buses, and Commercial Vehicles

Powerful, insanely loud, and all in a compact kit: the truck  horn kit delivers the performance you need. The truck BHA005 features the insanely loud, India-made, truck Horns. These horns are ridiculously loud and, more importantly, actually sound like a blast! This air system was designed from the ground up to work amazingly with TRUCK horns and it does just that. The 2 gallon (7.6 liters) tank can recharge from 110 to 150 PSI in just under 50 seconds.