AEM 30-2355-250 2.5" No-Weld O2 Sensor Mount
2 1/2" AEM No-Weld O2 Sensor Mount- Our No-Weld O2 Sensor Mount enables users to mount an O2 sensor without having to weld a sensor bung onto the exhaust. Simply drill a hole in the exhaust, install the gasket, and bolt the clamp. It's that easy! The 2 1/2" mount will fit exhausts from 2.25" to 2.5" in diameter.