Subaru WRX STi Flex Fuel
Subaru WRX STi Flex Fuel 12/09/19

Great Gains

Flex fuel is hands down the best modification you can do for your 2015+ WRX/STi. This WRX picked up over 70WHP in the top end from 93 to E85! Insane!

 

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Competition use only parts are clearly labeled as competition use only in the product listing page and may only be used according to the guidelines posted on our Emissions Notice to Customers in California page