18mm Adapter For O2 Sensor Port- Harley Davidson Bagger/ Dyna/ V

Allows non-sensor H D models to run newer style exhaust systems equipped with O2 sensor portsSimply screw into non-essential O2 ports Sold in Pairs

LSR 2-1 Softail

BRAND NEW, PART # NO2X-1202, Allows the use of exhaust systems with 18mm O² sensor bungs to be used with late model bikes with 12mm O² sensors,

O2 Sensor Harness Extension 18 12MM Bung Adapter Exhaust Harley Touring Softail

Adapters Reduce O2 Sensor Ports Bungs Stainless Steel 18MM To 12MM

Feuling Oxygen Sensor For Harley Touring 2017-2024 - Cycle Gear

RB Racing Harley Turbos

Rinehart Racing RIN-200-0300C 2-1 Exhaust System Chrome w/Chrome

18mm Adapter For O2 Sensor Port- Harley Davidson Bagger/ Dyna/ V

Bassani Xhaust Ripper 2:1 Exhaust System - Stainless Steel 1D6SS

Feuling Parts 18mm to 12mm Oxygen Sensor Bung Adapters - 9927

SAWICKI 930-01091 BRUSHED CANNON 2:1 EXHAUST 08-22 BAGGER W MID

2013 Harley-Davidson Catalog: Exhausts - Free Catalog Request

Dstar Adapters Reducers O2 Sensor Bungs - 18mm To 12mm for Harley

12mm O2 Sensor Exhaust Bung Plugs 12x1.25mm Pair Harley Softail