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COBB

COBB SUBARU CAN FLEX FUEL UPGRADE WRX 2018-2021

$ 1,035.00
Shipping calculated at checkout.

Short Description

The COBB CAN Flex Fuel Kit for 2018–2021 Subaru WRX enables seamless ethanol monitoring and dynamic tuning using the Accessport and CAN Gateway, all with plug-and-play installation.

Pickup available at SHOP HQ

Usually ready in 5+ days

Delivery and Shipping

Domestic orders typically arrive within 3-7 business days, while international orders may take 7-14 business days. *Please note that additional time may be required for items that are drop shipped or back-ordered. If an item is out of stock, we will contact you in 3-5 business days with an estimated ETA or alternative product options.

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We strive to offer competitive pricing and will price match qualifying competitors under certain conditions. Learn more here

Description

The COBB CAN Flex Fuel Upgrade Kit for 2018–2021 Subaru WRX 6MT delivers precise ethanol content monitoring through a seamless, plug-and-play solution. Whether you're chasing peak performance with E85 or simply want adaptive tuning based on fuel composition, this kit allows the COBB Accessport to deliver real-time Flex Fuel calibrations using CAN-based sensor inputs.

At the heart of the system is COBB’s CAN Gateway Module, machined from billet aluminum and designed to mount cleanly using an included bracket. This advanced module injects sensor data—such as ethanol content—into your WRX’s factory CAN system. The ECU then uses this data with COBB OTS maps or custom tunes to dynamically adjust performance.

Also included is the COBB CAN Ethanol Sensor Kit, which includes an ethanol sensor, quick-disconnect fuel lines, a mounting bracket, and a model-specific harness that connects to the CAN Gateway. This kit is purpose-built for 2018–2021 WRXs and is not compatible with earlier model years due to harness differences.

Install it with confidence and enjoy the performance gains of true Flex Fuel support, all without the complexity of custom wiring or ECU hacking.

Specifications

Vehicle Fitment: Subaru WRX 6MT 2018–2021

CAN Gateway: Billet aluminum enclosure, precision PCB, plug-and-play integration

Sensor Kit: OEM-grade ethanol sensor with mounting bracket and quick-connect fuel lines

Wiring Harness: Vehicle-specific harness compatible with 2018–2021 WRX only

Compatibility: Works with COBB OTS maps and custom Accessport tuning

Installation: Clean bolt-in install with CAN data injection

Install Instructions
Cobb Tuning

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