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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
1984-UP 2 LAF Drag Pipes Wrapped Exhaust For Harley Softail Sportster
Short Ripper 2 into1 Black for 2023 Lowrider ST & M8 Sport Glide
Threaded outer and inner adapters reduce O2 sensor port from 18mm to 12mm allowing riders to use our exhaust pipes on select newer-model motorcycles.
Stainless Adapters Reduce 02 O2 Sensor Ports Bungs 18MM To 12MM Harley Plug
SAWICKI SS/BLACK 930-01090 2:1 EXHAUST 08-22 BAGGER W MID CONTROLS
2pcs 18mm to 12mm O2 Port Plugs Bungs : Automotive
LSR 2-1 Softail
Harley Davidson Motorcycle Parts: Aftermarket
18mm to 12mm Bushing Adapter For O2 Sensor Port- Harley Davidson
12mm O2 Sensor Exhaust Bung Plugs 12x1.25mm Pair Harley Softail
Bassani FireFlight Exhaust For Harley Softail 1986-2017
Cycle Pro 14272 O2 Sensor
Threaded outer and inner adapters reduce O² sensor ports from 18mm to 12mm allowing riders to use exhaust pipes on select, newer-model motorcycles.
Bassani 18mm To 12mm O2 Sensor Bung Adapter For Harley Exhaust
Feuling 18mm Narrow Band 02 Sensor For Harley Dyna, Softail
Wide Band 18mm Oxygen Sensor – ThunderMax