This listing for Universal 17inch Single Trumpet Car Air Horn 12V Compressor 150DB Super Loud Air helps shoppers narrow down car horns and charging accessories for vehicle sound signaling and related electrical installation. Product-specific details visible in the title include 17inch, 12V, and universal. Use the listed 17inch single trumpet air horn details to distinguish this version from similar car horns and charging accessories. Variant information includes color and voltage selections, with examples such as Red, Silver, and Red 1. Check the image gallery, listed measurements, fitment details and chosen configuration before checkout.