**New Release** PLX Devices M-300 Tuner Edition
Hello everyone,
PLX has released a new version of the M-300 Tuner Edition. We have these units in stock and available to ship. Price starts at $299.00 + 5% discount ($284.05) when purchased on our website.
- EXTREME PSI : Your #1 Source for In Stock Performance Parts - PLX Devices M-300 Tuner Edition: Plug and Play *NEW RELEASE*

Product info:
M-300 Tuner Edition
WIDEBAND OXYGEN SENSOR CONTROLLER
Bosch controller with display. Wideband Air/Fuel Controller (UEGO) with 4 digit digital display readout.
Rugged aluminum construction
8 selectable fuel settings
Compatible with iMFD gauges
Wideband 0-5V analog output
Narrowband 0-1V analog output
The M-300TE (Tuner Edition) has 100% of the same features as the SM-AFR with a built-in 4 digit display. It is fully compatible with other PLX iMFD gauges and can be daisy-chained with other sensor modules.
Fuel Select (Gasoline, Diesel, E85, Methanol, Ethanol, CNG, LPG, Lambda Mode)
Included Items:
M-300TE main unit
- Bosch wideband oxygen sensor
- 10 ft sensor harness
- 4ft power wire
- Dash or window mounting hardware
- User manual
- 4ft analog output wires and terminals
- 1ft iMFD serial cable
**For a full list of PLX Devices products, please visit our website: EXTREME PSI : Your #1 Source for In Stock Performance Parts - PLX Devices
Best regards,
Extreme PSI Staff
Welcome To Extreme PSI
1800-PSI-4502
215-244-4295
PLX has released a new version of the M-300 Tuner Edition. We have these units in stock and available to ship. Price starts at $299.00 + 5% discount ($284.05) when purchased on our website.
- EXTREME PSI : Your #1 Source for In Stock Performance Parts - PLX Devices M-300 Tuner Edition: Plug and Play *NEW RELEASE*

Product info:
M-300 Tuner Edition
WIDEBAND OXYGEN SENSOR CONTROLLER
Bosch controller with display. Wideband Air/Fuel Controller (UEGO) with 4 digit digital display readout.
Rugged aluminum construction
8 selectable fuel settings
Compatible with iMFD gauges
Wideband 0-5V analog output
Narrowband 0-1V analog output
The M-300TE (Tuner Edition) has 100% of the same features as the SM-AFR with a built-in 4 digit display. It is fully compatible with other PLX iMFD gauges and can be daisy-chained with other sensor modules.
Fuel Select (Gasoline, Diesel, E85, Methanol, Ethanol, CNG, LPG, Lambda Mode)
Included Items:
M-300TE main unit
- Bosch wideband oxygen sensor
- 10 ft sensor harness
- 4ft power wire
- Dash or window mounting hardware
- User manual
- 4ft analog output wires and terminals
- 1ft iMFD serial cable
**For a full list of PLX Devices products, please visit our website: EXTREME PSI : Your #1 Source for In Stock Performance Parts - PLX Devices
Best regards,
Extreme PSI Staff
Welcome To Extreme PSI
1800-PSI-4502
215-244-4295



