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Use Coupon Code BOOST5 at Checkout!
Use the chat function below to ask us anything you need!
Use Coupon Code BOOST5 at Checkout!
Use the chat function below to ask us anything you need!
$34.00
This is the Grimmspeed wiring harnees for those of you planning on installing Hella Horns in the 2002-2014 WRX, or the 2004-2014 STI. This wiring harness provides a clean and secure means of installation especially if you wanted to install the Hella Horns in a custom location.
And nobody likes looking at a rat's nest of wires in the engine bay. If you're installing the Hella Horns, keep things neat, and tidy with the Grimmspeed wiring harness.
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