Ignitions and Electrical› Wiring Harnesses

GrimmSpeed

GrimmSpeed Wiring Harness for Hella Horns Subaru Models (inc. 2002-2014 WRX STI)

$47.00

SKU: G00B 40005

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In Stock
Ships by Aug 3
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

GrimmSpeed Wiring Harness for Hella Horns Subaru Models (inc. 2002-2014 WRX STI)

MIA's Description

The GrimmSpeed Hella Horn Wiring Harness is an electrical accessory designed for Subaru WRX and WRX STI models from 2002 to 2014. It simplifies the installation of aftermarket Hella horns by providing a secure and reliable connection. Constructed with durable materials, this harness offers a plug-and-play solution that enhances the vehicle's horn system with improved functionality and sound clarity.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandGrimmSpeed
Part NumberG00B 40005

Videos

How to Install Hella Horns on a Subaru WRX / Sti Impreza with Grimmspeed Harness and Perrin Bracket

How to Install Hella Horns on a Subaru WRX / Sti Impreza with Grimmspeed Harness and Perrin Bracket

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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