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GrimmSpeed Wiring Harness for Hella Horns - Subaru WRX / STI 2002-2014

This is the Grimmspeed wiring harness for those of you planning on installing Hella Horns on your vehicle. This wiring harness provides a clean and secure means of installation especially if you wanted to install the Hella Horns in a custom location or if you have purchased one of the horn mounting brackets.

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.

*Pictures used for marketing purposes only, actual products may vary

  • 2002-2014 Subaru WRX
  • 2004-2014 Subaru STI 
  • 2002-2015 Subaru Legacy
  • 2002-2009 Subaru Legacy GT 
  • 2006-2009 Subaru Legacy GT Spec B
  • 2002-2015 Subaru Outback 
  • 2005-2009 Subaru Outback XT


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