Cobb Stage 3+ Flex Fuel Power Package 2015-2021 STI

  • This comprehensive power package for 2015-2020 STI includes everything you need to run any combination of 93 octane gasoline and E85 ethanol fuel.

    The Stage 3+ Flex Fuel Power Package for STI includes:

    • Cobb V3 Accessport
    • SF Intake System
    • SF Airbox
    • Stainless Steel 3" Downpipe
    • Stainless Steel Cat-Back Exhaust
    • Stainless Steel Turbo Heatshield
    • Flex Fuel Ethanol Sensor Kit
    • Fuel Pressure Sensor Kit
    • AEM High Flow Fuel Pump
    • Top Feed 1050x Fuel Injectors
    • Fuel Rails
    • Fuel Rail Line Kit
    • Fuel Rail Line Kit to Flex Fuel
    • Fuel Pressure Regulator for Fuel Rail Kit
    • Subaru Throttle Body Coupler
    • Silicone Turbo Inlet
    • Cobb Vehicle Badge

    This kit REQUIRES custom ECU tuning.

    Note: The 2018 WRX STI Type RA, and all 2019+ STI, had a slightly different intake, requiring an extra air scoop.

    Available for all USDM 2015-2021 Subaru WRX STI, including STI Type RA and S209. Does NOT fit non-US-market cars.

  • SKU#: K08563FLEX,

    Shipping Weight: 140.0 lb

    Supplier: Cobb Tuning

    Category: Cobb Tuning, Power Packages