If you are installing long tube headers on your 2011-2014 GT Mustang, these front O2 oxygen sensor extensions will most likely be needed. When installing full length headers onto your 5.0L motor, the factory oxygen sensor will not reach the factory plug, leaving you with a Check Engine Light (CEL). These 12" BBK O2 extensions fix the issue by plugging into your existing wiring plug and your O2 sensor wiring to complete the connection. Features factory connections for a quick and easy installation. This prevents you from having to make any splices or cuts in your factory wiring. Will work on 3 or 4 wire application. Some connectors may require the small directional location tabs to be removed on the ends of the connectors to click into place. applications.
This Part Fits:
| Year | Make | Model |
| 2011-2014 | Mustang | GT 5.0L |