Hooker BlackHeart 71014302-RHKR Oxygen Sensor O2 Bung 2.5" Clamp-On Style

Stainless Steel 2-1/2" Exhaust Header 3 Bolt Collector w/ O2 Oxygen Sensor Bung

Hooker Headers 71014303-R O2-Sensor Clamp-On Fitting Fits 2-1/4 Exhaust Pipe

JS 1-3/4"-2" Wideband O2 Sensor Bung Clamp-On Adapter - No Weld Design

Prosport 2-1/4"-2-1/2" Clamp-On Wideband Oxygen O2 Sensor Bung adapter- No Weld

3" to 2.5" Exhaust Collector Reducer with O2 Sensor Bung, 3-Bolt Flange

Hooker BlackHeart 71014302-RHKR Oxygen Sensor O2 Bung 2.5" Clamp-On Style

3" to 2.5" Collector Reducer w/O2 Bung - Hedman Hedders - Steel Exhaust Part