{Rexpeed} Test pipe + 02 Down Pipe
Got mine yesterday, quality looks great - welds are decent and such.


I have a few questions about the testpipe if someone could answer - It seems to have 3 bungs on it, 2 of the same size (almost like 02 sensor) and the other is smaller and threaded and goes all the way thru as well (last pic) - Is this for some sort of sensor?




I have a few questions about the testpipe if someone could answer - It seems to have 3 bungs on it, 2 of the same size (almost like 02 sensor) and the other is smaller and threaded and goes all the way thru as well (last pic) - Is this for some sort of sensor?


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