[911Jarle]

Hello guys!

I have a couple questions about o2 sensor, and removal of it.
My car is a 1978 SC with a 3.0 SC engine, not sure of the year of the engine, it has been swapped.

This year, I removed the CAT, and later on I swapped the exhaust.
I could not see an o2 sensor in the cat, but there was a small pipe exiting the muffler itself.

Just out of curiorsity, where is the o2 sensor located, and what was the pipe exiting the muffler, at this stage it is temporarily bent to the side..

I would expect the o2 sensor to be in the cat, at the time of the cat removal I gathered earlier owners had gone to the trouble, removing the sensor and adjusting the motor to that.

Thanks!

Cheers, Jarle