Drag Specialties Weld-In O2 Sensor Bung – Honda Grom, Monkey, Z125 & More
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Drag Specialties Weld-In O2 Sensor Bung – Universal Exhaust Fitting
Add an oxygen sensor port to any custom or aftermarket exhaust system with the Drag Specialties Weld-In O2 Sensor Bung. Made in the USA, this weld-in fitting is the clean, professional solution for builders and tuners who need to integrate an O2 sensor into a pipe that doesn’t have one — whether you’re running a standalone ECU, a wideband controller, or need to retain emissions compliance on a custom exhaust build.
Features
- Weld-In Design – Permanently mounts to any exhaust pipe for a clean, leak-free O2 sensor installation
- Universal Fitment – Compatible with standard O2 sensor thread sizes used across most motorcycle and mini bike exhaust systems
- Made in the USA – Quality construction from Drag Specialties, a trusted name in motorcycle hardware
Common Uses
- Custom exhaust builds requiring O2 sensor integration
- Aftermarket pipe installations on fuel-injected mini bikes
- Wideband AFR controller setups
- ECU tuning builds (e.g., aRacer, Bazzaz, Power Commander)
Compatibility
- Honda Grom – All Years (OG, SF, JC92, 2025+)
- Honda Monkey 125 (1st Gen & 2022+)
- Kawasaki Z125 Pro
- Kawasaki KLX110
- Honda CRF110 (2019+)
- TNT135 and other mini bike platforms with compatible exhaust tubing
Shipping information
Orders are prepared as quickly as possible. Delivery times and shipping costs are calculated at checkout based on the destination and items ordered.
Returns & warranty
Please verify fitment and part number before ordering. Contact Thrifty Scooters promptly if an item arrives damaged or incorrect.