Seller notes

Grimmspeed Plug & Play Wiring Harness for Hella Supertone Horns (Fit 2018-2019 Subaru WRX / STI) MANUFACTURER PART # 040026Color: BlackWhen it comes to wiring the Hella Horns that are mounted to your beautiful GrimmSpeed BroTie, we have you covered. After some testing, we determined that the additional few dBs offered by wiring with a relay weren't worth the added headache and potential failure points of a more complex harness using automotive relay, inline fuse and additional wiring directly to...

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