Where do you (or will you) install your WB O2?

[Italian LX]

Originally Posted by 86GT

It does seem kind of weird that PLX would state this when the O2 sensor has a built in heater. It is most likely to save on the heater time.

I'm pretty sure that you are aware of this, but the stock O2 sensors have heaters too. It's only used to cut down on initial heat up time; not sufficient enough to heat the sensor to proper operating temperature.