iWire Rear O2 Sensor Extension Harness Subaru WRX 2002-14, STI 2004-2021, Forester XT 2004-2013
iWire Rear O2 Sensor Extension Harness Subaru WRX 2002-14, STI 2004-2021, Forester XT 2004-2013
iWire Rear O2 Sensor Extension Harness Subaru WRX 2002-14, STI 2004-2021, Forester XT 2004-2013

iWire Rear O2 Sensor Extension Harness Subaru WRX 2002-14, STI 2004-2021, Forester XT 2004-2013

PP-SURS002


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Doing an aftermarket downpipe install?

Aftermarket downpipes often relocate the rear oxygen sensor farther away, leading to stress on both the harness and sensor that can result in failure. iWire's rear oxygen sensor extension lengthens the connection by 7 inches, adding the necessary length to allow any downpipe sensor connection to reach with ease.

Built with military grade materials to withstand the harsh environment underneath the car that includes heat, vibration, and debris. Standard length is 7 inches.

Compatible Cars:

  • 2002-2014 WRX
  • 2004-2021 STI
  • 2004-2013 Forester XT
Fitment Notes:

Harness is 7 inches long.

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iWire Rear O2 Sensor Extension Harness Subaru WRX 2002-14, STI 2004-20