Part Number: GRM.1105.1.0

Description: Hella Horn Harness

Fitment: 22+ Subaru WRX

Details:

Take the guesswork out of wiring with the GrimmSpeed Hella Horn Harness for the 2022–2025 VB WRX. Subaru owners have long loved the look and sound of Hella Horns, but wiring them cleanly and reliably has always been a challenge. That’s why we designed this harness to be fully plug-and-play; no splicing, no cutting, no compromises.

At GrimmSpeed, we’re committed to solving real-world installation challenges the right way, and this harness is built to the same standard as our brackets and other electrical components. Featuring high-quality OEM-style connectors, 16-gauge wire, shrink wrap, and braided loom, it delivers long-lasting protection and a clean, factory-like installation. Simply unplug the OEM horn, connect the harness, mount the ground terminal to the existing horn bolt, and plug in your Hella Horns. Easy, reliable, and built to last.

Quick Specs

• Wiring: 16-gauge wires

• Protection: Braided loom and shrink wrap

• Connectors: OEM-style plugs for easy installation

• Design: Plug-and-play, no splicing required