COBB Fuel System Package + Flex Fuel | Subaru WRX STI (2008-2018)
The Subaru Fuel System Package + Flex Fuel Includes: Fuel Rails, Fuel Rail Line Kit, Fuel Rail Line Kit to Flex Fuel, Fuel Pressure Regulator for Fuel Rail Kit, Flex Fuel Ethanol Sensor Kit, Fuel Pressure Sensor Kit, Top Feed 1050x Fuel Injectors, and the AEM High Flow Fuel Pump.
Requires custom tuning.
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