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The O2 sensor wire harness extension is designed for 2006-2014 Civic Si's. These extensions are great for installing an aftermarket header where the oem O2 sensor wires aren't long enough to reach the new bung location. Designed for the Skunk2 header and exhaust.
| Manufacturer | Skunk2 |
|---|---|
Product Fits:
2006-2011 Acura CSX
2013-2015 Acura ILX
2006-2011 Honda Civic Si
2012-2015 Honda Civic Si
