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Stainless Steel Oxygen Sensor Bung

$5.50
N18SS
In stock
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If you are installing the "J" pipe in a 1980-1985 Vanagon and do not have a catalytic converter with a port for the oxygen sensor, you may need to weld in a port.

We weld this bung into the catalytic converter on the late Subaru engines that have two O2 sensors.