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The Model 412 roof mounted horn features square trumpet openings and covers to keep anything the road throws at you - out of your horns. Loud and deep over the road truck sound. Roof Mount Air Horn Fittings Kit required for installation (P/N 330). Manual valve or electric solenoid valve not included.
Installation Instructions
Installation Instructions
Warranty
Installation Instructions
Installation Instructions
Warranty
We use UPS, FedEx, DHL, and USPS for deliveries. We are not responsible for any shipping problems and shall not be held liable for any "reasonable" delay beyond our advertised delivery time-frames. Shipment by Ground Courier can take up to 15 business days for delivery. Express Courier can take up to 3 business days for delivery. Shipping time frames are once the order has been processed. Due to high demand, order processing can take 5 to 7 business days.