No welding equipment? No problem with AEM's No-Weld O2 Sensor Mounts. These mounts have an integrated bung that makes it easy to install a wideband UEGO air/fuel ratio sensor using just a drill and the supplied hardware. AEM-30-2355-250 fits 2.25" to 2.5" exhaust pipe diameters.
 

Bung Type: For Oxygen sensor
Material Type: Stainless Steel
Finish: Natural
Diameter: 2.5"
Thread Pitch: 18mm x 1.5
Part #: 30-2355-250

Does not include the oxygen sensor!!