Hella Supertone Horn Kit w/ Perrin Mounting Bracket Subaru WRX / STI 2 – Import Image Racing
Hella Supertone Horn Set - 118dB – RalliTEK
Hella Supertones 118dB Universal Horns - Red
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Amazon.com: HELLA Supertone 12V High/Low Tone Twin Horn Kit with Perrin Bracket Compatible with 2002-07 Subaru WRX STI (Red) : Automotive
Amazon.com: Hella Stark Sound – 109.23.37 – Red Set 12 V High/Low Frequency Hella Super Tone Horn Set B 133, 12 volt : Automotive
Hella 12V Horn Set – Ireland Engineering | Racing & Performance Parts for BMW & MINI
Aluminum Hella Super Loud Compact Electric Blast Tone Air Horn 2pcs 12v 115db Kit For Motorcycle Car Red/black - Multi-tone & Claxon Horns - AliExpress