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The COBB NexGen Flex Fuel ethanol sensor kit fits 2008–2021 Subaru WRX STI models, including the 2018 Type RA, and provides ethanol sensing for flex-fuel operation. The kit supplies the hardware needed to monitor ethanol content for tuning and engine management when running variable ethanol blends in supported Subaru applications.
Cobb 08-21 Subaru STI (Incl. 2018 Type RA) NexGen Flex Fuel Ethanol Sensor Kit
