COBB Tuning - NexGen Flex Fuel for Subaru 2008-2021 STI 

Flex Fuel tuning allows for the seamless blend of standard E10 pump fuel and fuel with higher ethanol content. Our NexGen Flex Fuel Kit and Stage Power Packages provide a turn-key solution to add true Flex Fuel capabilities to your 2008-2021 STI. Head over to the COBB Blog for all of the details.
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