How to Install SR Performance O2 Sensor Extension Kit - Pair (86-10 All) on your Ford Mustang

While installing aftermarket exhaust components it may be necessary to utilize O2 extension harnesses.

1. Plug the extension harness into the O2 sensor.

2. Route the extension harness away from excessive heat and moving parts. Secure the harness to the underside of the vehicle using zip ties.

3. Connect the other end of the harness into the vehicle O2 sensor plug.

**Note: It is important that you connect the extension harness to the correct O2 sensor plug. If you cross the connection to the opposite side it can cause the vehicle to throw a check engine light or decreased performance.