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The Stainless Bros M18x1.5 O2 sensor bung sized for 1.75in to 2.50in tubing is a stainless threaded sensor port that installs into tubing within that diameter range. It supplies a dedicated M18x1.5 mounting boss for oxygen sensors, supporting accurate sensor placement for exhaust monitoring or aftermarket tuning in smaller-diameter exhaust sections.
Stainless Bros M18x1.5 O2 Sensor Bung 1.75in to 2.50in Tubing
