AUTOFAB - 12v Twin Tone Red 2 Dual Trumpet Air Horn Kit Horns For Car Boat Van 4x4 NEW AF-HOM057RED 12v Twin Tone Red 2 Dual Trumpet Air Horn Kit Horns For Car Boat Van 4x4 NEWBrand New In BoxHigh power 12v twin tone air hornRed trumpets and red compressorKit includes:1 x 210mm long trumpet1 x 160mm long trumpet1 x Compressor1 x Relay1 x Clear tubeFixing bolts setThe only additional items needed to fit this horn is the wiring to power the compressor and a switch to operate the horns, or it could be used to replace your existing horn, in which case no wiring should be needed.Suitable for most 12v vehicles including cars, 4x4's, vans, boats etc...Complete with easy to read instructionsSupplied with fixing bolts and relay