GrimmSpeed Brotie Mounting Bracket and Wiring Harness Bundle 2015-2021 WRX / 2015-2021 STI

DESCRIPTION

Install Hella horns cleanly and confidently with the GrimmSpeed BroTie Mounting Bracket and Wiring Harness Bundle for the 2015–2021 Subaru WRX and STI. This bundle pairs a durable, adjustable steel mounting bracket with a vehicle-specific plug-and-play wiring harness for a factory-style installation with no cutting or splicing required.

Laser-cut from 1/8-inch steel and finished in black powder coat, the BroTie bracket provides a secure mount behind the grille, while the pre-terminated harness uses proper wire gauge, factory-style connectors, and heat-shrink protection for reliable performance. Together, they deliver a clean, professional install built to last.

WHY?

The GrimmSpeed Brotie Bundle is designed for enthusiasts who want the iconic Hella horn sound without compromising installation quality. By pairing a strong, adjustable mounting bracket with a vehicle-specific wiring harness, this bundle delivers a professional, worry-free upgrade that fits like OEM equipment. Durable materials, thoughtful engineering, and easy installation make this kit a smart choice for daily drivers and performance-focused builds alike.

FEATURES:

• 1/8-inch laser-cut steel BroTie mounting bracket

• Black powder coated finish for durability

• Slotted mounting points for adjustable horn positioning

• Vehicle-specific plug-and-play wiring harness

• Heat-shrink protected terminals with proper wire gauge

COMPATIBILITY

2015-2021 WRX

2015-2021 STI