Kleinn Air Horns VELO-230 Beast 230 Train Horn Kit - Black Includes All Fittings, Air-Lines, and Hardware Needed for Easy Installation Features Steel Brackets and an All-Steel Air Tank that are Proudly Made in the USA Offers No Loss of Storage Space with Under Truck Mounting Includes Steel Air Tanks with Cortec Internal Coating and that Meet SAE-J10 and FMVSS-121 Standards Includes Kleinn Air Horn Juice Sealant