Unlock the full tuning potential of your 20152017 Subaru WRX with the COBB CAN Flex Fuel Upgrade Kit. This plug-and-play solution brings seamless ethanol integration to your WRX by utilizing COBBs billet CAN Gateway and Ethanol Sensor Kit. Designed specifically for 6MT models, the system sends real-time ethanol content data directly to the ECU for full Accessport integration and Flex Fuel calibration support.

The precision-engineered CAN Gateway Module is housed in a billet aluminum case, mounted cleanly using a custom bracket. It allows aftermarket sensorslike the included ethanol sensorto communicate over your vehicle’s CAN system. Paired with a model-specific wiring harness, the CAN Gateway installs with ease and OEM-like fitment.

Included in this upgrade is COBBs CAN Ethanol Sensor Kit, which features quick-connect fuel fittings, a mounting bracket, and a harness that seamlessly links to the CAN Gateway. This kit is compatible only with 20152017 WRXs. For 20182021 models, a different harness is required.

Whether you’re running E30 or E85, this kit ensures the ECU has the precise fuel composition data needed to optimize performance, boost safety, and support COBB OTS or custom tuning.