Kleinn Automotive Air Horns HOGKIT-1 Dual Horn Kit. Dual Horn Kit; Chrome; Includes Direct Drive Compressor; 1.4 CFM; w/Cowbell Horn Cover. WARNING CA Proposition 65: Yes. WARNING CA Proposition 65 Message: WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. Completely Replaced The Factory Horn Assembly. Reuses The Bikes Factory Horn Cover. Clean Better Than Factory Appearance. Powerful Compact Tankless Direct Drive Compressor. Dual Direct Drive Air Horn. For all 1979 to current Harley Davidson motorcycles with classic horn cover, our 100% bolt-on air horn system for Harleys replaces the weak factory horn with a much louder dual-trumpet direct-drive horn. Reuses your factory’cowbell’ horn cover to keep that classic Harley look. Everything needed for installation is provided. Kleinn automotive air horns offers complete air horn kits, train horns, roof mount truck horns, air systems kit accessories and off road lift kits. No cash or compensation for labor will be given for defects in material and workmanship. Visit our store for futher details.