For sale is a NEW genuine Hella 003399842 Supertone Horn Kit.
This is the iconic Red Grill Dual-Tone Supertone horn set delivering the classic 300Hz (low) & 500Hz (high) sound combination. Extremely loud and sharp tone — a major upgrade over factory horns.
✔ Dual 123mm Supertone Horns (300Hz & 500Hz)
✔ Relay
✔ Mounting Brackets
✔ Original hardware (if applicable)
Part Number: 003399842
Voltage: 12V
Diameter: 123mm
Frequencies: 300Hz / 500Hz
Sound Output: Approx. 118 dB
Red metal grill housing
Universal 12V application
Powerful dual-tone blast
Durable metal construction
Includes relay for proper installation
Genuine Hella quality
Perfect OEM upgrade or performance build
Suitable for most 12V cars, trucks, SUVs, and motorcycles.
Ships fast and securely packaged to prevent damage.
Perfect for tuner builds and rally-inspired setups.
These Supertone horns are extremely popular in the Subaru community and JDM builds due to their aggressive dual-tone sound and classic red grill look behind the front grille.
Great upgrade for:
WRX / STI
Civic builds
Evo builds
Show cars
Rally-style builds
Adds both sound and visual presence.
UK Stock & Fast Dispatch: No 3-week wait from overseas. We ship directly from the UK, meaning you get your parts in days, not weeks.
No Hidden Import Fees: The price you see is the price you pay. No surprise VAT or Customs handling fees upon delivery.
Easy UK Returns: If there?s an issue, you aren't shipping parts back to India. We offer a straightforward UK return process.
Expert Knowledge: We know the difference between a Series 3 and a GP, or an LML 2T and 4T. You get the right part the first time.