PIAA HO2E - With a sound ideally suited for Japanese vehicles - Now MSA approved
PIAA HO8E - A slightly higher pitch sound ideally suited for European vehicles - Now MSA approved
Sparco air horn - A innovative one piece unit suited for motorsport & off road use
All horns listed are approved for use by FIA & MSA. The PIAA electric sports horns are officially used on the works Subaru Impreza WRC.