AEM X-Series Inline Wideband with iWire Plug-and-Play Harness

$399.99

SKU: PP-SUWB001-0

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This product is expected to be back in stock on November 16th!

Wideband data. Without the wiring headache.

Get the air/fuel ratio information you need from an AEM X-Series Inline Wideband, with iWire Plug-and-Play wiring that makes installation on supported Subarus simpler. Spend less time sorting through wiring diagrams and more time enjoying your car.

Get the AFR information your build needs

Whether you're checking your air/fuel mixture or gathering data for a tuning session, a dedicated wideband gives you information about how your engine is running. The AEM X-Series Inline Wideband supplies that data without requiring a separate dashboard-mounted gauge.

iWire takes the complicated part of the installation out of the equation. We modify the AEM wiring in-house and supply a vehicle-specific Plug-and-Play harness, so you don't have to figure out power connections, trace unfamiliar wiring, or plan a typical from-scratch installation.

Want to log AFR? Supported alternative tuning software or equipment may be able to use the wideband signal, depending on your vehicle and logging setup. See the COBB compatibility note below before ordering.

Already have iDCCD? Turn your without-gauge into a with-gauge.

With a compatible iDCCD controller and AEM Inline Wideband Display Adapter, you can bring supported live AFR readings and other available wideband information into the iWire Connect app. It's an optional way to view your wideband data without adding another dashboard gauge.

Sold separately: iDCCD controller and wideband display adapter. App data and diagnostics depend on compatible hardware, firmware, and software. This integration is for viewing information; it does not change engine tuning or provide engine protection.

Why add a wideband?

  • Check air/fuel ratio (AFR) with a dedicated aftermarket wideband sensor
  • Give your tuner useful AFR information when used with supported logging equipment or software
  • Install an inline unit without adding a physical AFR gauge to your dash

Why choose iWire PnP?

  • Wiring prepared specifically for supported Subaru applications
  • Less searching for power wires, connections, and wiring instructions
  • Designed to simplify installation without routing the usual wideband wiring through the firewall
  • iWire performs the needed AEM harness modifications before shipment

Simple installation. Serious information.

  • AEM X-Series Inline Wideband
  • iWire-modified Plug-and-Play wiring
  • Vehicle-specific ordering options
  • Inline design: no separate AFR gauge included

Choose the correct vehicle option above. Exact wiring, tuning, and logging compatibility depend on the selected vehicle and installed equipment.

Fitment and important notes

  • Vehicle fitment: Select your Subaru model and year range using the product options. Confirm your particular vehicle and wiring configuration before ordering.
  • COBB Accessport: Following COBB's Green Speed update, the Accessport cannot use this kit to log external wideband data. Compatible alternative tuning software or equipment may support wideband logging on suitable setups.
  • COBB Flex Fuel Kit: Compatible with the COBB Flex Fuel Kit. 
  • Kit contents: AEM inline wideband unit with iWire-modified Plug-and-Play wiring, sensor, and hardware kit.
  • Wiring availability: The Plug-and-Play wiring is not sold separately from the AEM unit because the AEM wiring must be modified in-house.

Looking for an AFR gauge you can mount in the car? Check out our AEM X-Series Wideband with Gauge and iWire PnP.

Before you buy: This kit does not restore external wideband logging through the COBB Accessport after the Green Speed update. Check your intended AFR display or logging method and your vehicle's compatibility before ordering.

See the installation

Watch the original walkthrough of the AEM wideband kit with iWire wiring. Optional iDCCD display integration is not covered in this video.