Bring back the iconic Subaru front-end style and unmistakable horn blast with the Hella Supertone Horn Kit paired with a purpose-built GrimmSpeed mounting solution for the 2022–2025 VB WRX. This setup delivers serious performance and OEM-like fitment with an easy, plug-and-play install.

Why this kit

• Extremely loud 118dB output: Dual-tone 300Hz + 500Hz Hella Supertones for a clear, commanding sound.
• Rock-solid mounting: Precision 10-gauge steel bracket, wrinkle-black powder coat, laser-cut GrimmSpeed logo.
• Adjustable look: Slotted design lets you dial in horn spacing behind the grille.
• Clean wiring: Plug-and-play harness with 16-gauge wire, braided loom, heat-shrink, OEM-style connectors.
• Built to last: Stainless hardware resists corrosion for long-term reliability.
• Custom style: Includes PSR-color face covers to swap in place of the standard red plates.

What’s included

• Pair of Hella Supertone horns (118dB, 300Hz + 500Hz)
• GrimmSpeed powder-coated steel bracket (10-gauge)
• Plug-and-play horn harness (16-gauge, braided loom, heat-shrink, OEM-style connectors)
• Automotive relay
• Stainless mounting hardware
• Pair of PSR-color horn face covers (replace the pre-installed red covers)

Fitment

• Subaru WRX (VB) 2022–2025

Install notes

• No cutting or splicing required. Unbolt the OEM horn, mount the bracket, bolt the horns, plug in the harness, connect the ground to the factory horn bolt, and you are done.
• Swap to the PSR-colour covers by removing the factory red plates and installing the included replacements.