OLM Hella Horn Harness WRX / STI 2015-2017 | 15HELLA Vehicle Model Superior shear stability and reduced

Superior shear stability and reduced oxidation compared to other synthetics and conventional gear oils

Lightweight design

5" long antenna provision

the geometry of the trunk makes installing an old wing a bit of a chore

It's wafer thin

OLM Hella Horn Harness WRX / STI 2015-2017 | 15HELLA Vehicle Model Superior shear stability and reducedProduct Fitment: 2015 2017 WRX 2015 2017 STI If you need a quick and simple way to wire a pair of Hella horns, here you go! OLM Hella Horn Harness V2 This simple harness plugs into your factory wiring and gives you a couple sets of outputs you can connect directly to a pair of hella horns. As seen in the picture there are two locations where this can plug in usually. Earlier model years can use the driver's side horn plug with this cable. NOTE: On