OLM Hella Horn Harness Subaru WRX / STI 2015-2021 | 15HELLAV2 Vehicle Model_5 Series Improves longevity and reliability

Improves longevity and reliability

** Wideband UEGO sensors are wear items and their lifespan is determined by many factors including contamination from leaded fuels

torque and improved throttle response

Part #: RSPD004

OLM Hella Horn Harness Subaru WRX / STI 2015-2021 | 15HELLAV2 Vehicle Model_5 Series Improves longevity and reliabilityPart #: OLM15HELLAV2 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. On newer models, you may only be able to plug it into the "F5" connector. Be sure to hold the wires by the base and make sure they are aligned as you connect the male and female connectors. Once you have plugged it