Its called a "bung", weld it into the exhaust pipes for the 02 sensor to bolt up
But, while were in this subject
I know the bung is not gonna work with the mk3 o2 sensor since its on a flange with two bolts
Here's my question, if I used another 2-wire o2 sensor , will it work with my car?
Cuz idk where I can find a flange for mine
So I'm gonna try to use a 2-wire o2 sensor with the thread, so I can use a bung to weld on my downpipe
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