GrimmSpeed Horn Wiring Harness for 2015+ WRX/STI

GrimmSpeed Horn Wiring Harness for 2015+ WRX/STI Brand: GrimmSpeed Upgrade your 2015+ Subaru WRX or STI with the GrimmSpeed Horn Wiring Harness — a direct-fit solution designed to simplify installation and protect your vehicle's electrical system when adding Hella or aftermarket horns. Direct fit for 2015+ WRX/STI: Engineered specifically for Subaru chassis to ensure a clean, plug-and-play installation with factory mounting points. Pre-wired convenience: Includes high-quality connectors, fused relay and wiring to prevent electrical faults and reduce install time. Durable construction: Weather-resistant insulation and automotive-grade terminals for long-term reliability in harsh driving environments. Improves safety & reliability: Provides proper current handling and protects factory circuits when installing higher-output Hella horns. Professional finish: Retains factory appearance and routing for a neat, OEM-quality installation. Whether you're restoring factory performance or upgrading to louder, more responsive horns, the GrimmSpeed Horn Wiring Harness delivers a safe, reliable, and simple installation for 2015 and newer WRX and STI models.