What horns you mean? You mean a 12V Air horn...?I work at a shop for used auto-parts... I have used air horns in stock like on a truck... If you drive in the center city with an air horn of a truck you can make fun...//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif think they are only in 24Volts... Tomorrow I will see for more information... I think they are around 30dollar/piece... And all horns are tested and still working...
Shipping costs will not very much...
Sorry for my bad language, but I'm not used to speak it...
Greetz,
BDW