2021 Subaru Wrx-sti Fuel System Upgrades

    WRX STI Upgrades by WRX STI Experts. 

    Shop 2021 Subaru Wrx-sti Fuel System Upgrades by Category

    Fuel Injectors image

    Fuel Injectors

    Fuel Lines and Fittings image

    Fuel Lines and Fittings

    Fuel Pumps image

    Fuel Pumps

    Fuel Rails image

    Fuel Rails

    Flex Fuel image

    Flex Fuel

    Fuel Pressure Regulators image

    Fuel Pressure Regulators

    Fuel System Kits image

    Fuel System Kits

    Shop 2021 Subaru Wrx-sti featured products

    52 Results

    Radium Fuel Hanger (Pumps Not Included) - 2008-2014 Subaru WRX / 2015-2021 STI / 2005-2009 Legacy

    9 In Stock

    20-0780-00

    Radium Fuel Hanger (Pumps Not Included) - 2008-2014 Subaru WRX / 2015-2021 STI / 2005-2009 Legacy

    $493.95
    IAG PTFE Flex Fuel System Kit w/ 1300cc Injectors, Lines, FPR, Black Fuel Rails - 2015-2021 Subaru STI

    IAG-AFD-2611BK

    IAG PTFE Flex Fuel System Kit w/ 1300cc Injectors, Lines, FPR, Black Fuel Rails - 2015-2021 Subaru STI

    $2,059.99
    DeatschWerks Fuel Injectors Top Feed 565cc - 2002-2014 Subaru WRX / 2007-2021 STI

    1 In Stock

    21S-01-0565-4

    DeatschWerks Fuel Injectors Top Feed 565cc - 2002-2014 Subaru WRX / 2007-2021 STI

    $379.00
    DeatschWerks Fuel Injectors Top Feed 650cc - 2002-2014 Subaru WRX / 2007-2021 STI

    5 In Stock

    17U-07-0650-4

    DeatschWerks Fuel Injectors Top Feed 650cc - 2002-2014 Subaru WRX / 2007-2021 STI

    $399.00
    Deatschwerks Top Feed Injector Ring Kit - 2002-2014 Subaru WRX / 2007-2021 STI

    27 In Stock

    2-001-4

    Deatschwerks Top Feed Injector Ring Kit - 2002-2014 Subaru WRX / 2007-2021 STI

    $16.00
    Cobb Top Feed 1050x Fuel Injectors - 2002-2014 Subaru WRX / 2007-2021 STI

    5 In Stock

    312150

    Cobb Top Feed 1050x Fuel Injectors - 2002-2014 Subaru WRX / 2007-2021 STI

    $625.00
    DeatschWerks DW65C Series Fuel Pump w/ Install Kit - 2015-2021 Subaru STI / 2008-2014 Impreza / 2005-2009 Legacy / Outback

    26 In Stock

    9-652-1008

    DeatschWerks DW65C Series Fuel Pump w/ Install Kit - 2015-2021 Subaru STI / 2008-2014 Impreza / 2005-2009 Legacy / Outback

    $159.00
    COBB Subaru Fuel Pressor Sensor Kit - 2008-2021 Subaru STI

    12 In Stock

    315650

    COBB Subaru Fuel Pressor Sensor Kit - 2008-2021 Subaru STI

    $275.00
    IAG V3 Top Feed Fuel Rails - 2015-2021 Subaru STI / 2006-2013 Forester / 2002-2014 Impreza

    IAG-AFD-2102RD

    IAG V3 Top Feed Fuel Rails - 2015-2021 Subaru STI / 2006-2013 Forester / 2002-2014 Impreza

    $219.99
    Injector Dynamics Top Feed 1050Xcc Fuel Injectors - 2002-2014 Subaru WRX / 2007-2021 Subaru STI / 2007-2011 Forester XT / 2007-2012 Legacy GT / 2007-2009 Outback XT

    53 In Stock

    1050.48.11.WRX.4

    Injector Dynamics Top Feed 1050Xcc Fuel Injectors - 2002-2014 Subaru WRX / 2007-2021 Subaru STI / 2007-2011 Forester XT / 2007-2012 Legacy GT / 2007-2009 Outback XT

    $546.00
    DeatschWerks X2 Series Pump Module Return PTFE Plumbing Kit - 2015-2021 Subaru STI / 2008-2014 Impreza

    6-616

    DeatschWerks X2 Series Pump Module Return PTFE Plumbing Kit - 2015-2021 Subaru STI / 2008-2014 Impreza

    $849.00
    DeatschWerks DW300 Series Fuel Pump w/ Install Kit - 2015-2021 Subaru STI / 2008-2014 Impreza

    5 In Stock

    9-309-1008

    DeatschWerks DW300 Series Fuel Pump w/ Install Kit - 2015-2021 Subaru STI / 2008-2014 Impreza

    $189.00
    IAG Performance PTFE Fuel Line Kit with ID 1050cc Injectors, Aeromotive FPR, Red IAG Fuel Rails - 2008-2014 Subaru WRX / 2008-2021 STI

    IAG-AFD-2310RD

    IAG Performance PTFE Fuel Line Kit with ID 1050cc Injectors, Aeromotive FPR, Red IAG Fuel Rails - 2008-2014 Subaru WRX / 2008-2021 STI

    $1,739.99
    Radium Fuel Pump Access Cover - 2015-2021 Subaru WRX / STI

    3 In Stock

    20-0746

    Radium Fuel Pump Access Cover - 2015-2021 Subaru WRX / STI

    $75.95
    Radium Fuel Filter Mount - 2008-2021 Subaru WRX / STI / 2008-2018 Forester XT

    5 In Stock

    20-0605

    Radium Fuel Filter Mount - 2008-2021 Subaru WRX / STI / 2008-2018 Forester XT

    $75.95
    Radium Fuel Plumbing Kit Microglass - 2008-2014 Subaru WRX / 2015-2021 STI / 2005-2009 Legacy

    7 In Stock

    20-0629-05

    Radium Fuel Plumbing Kit Microglass - 2008-2014 Subaru WRX / 2015-2021 STI / 2005-2009 Legacy

    $455.95
    Radium Fuel Plumbing Kit Stainless - 2008-2014 Subaru WRX / 2015-2021 STI / 2005-2009 Legacy

    5 In Stock

    20-0629-03

    Radium Fuel Plumbing Kit Stainless - 2008-2014 Subaru WRX / 2015-2021 STI / 2005-2009 Legacy

    $474.95
    Radium Fuel Injector Pulsation Damper for OEM Rail - 2015-2021 Subaru STI

    14 In Stock

    14-0128

    Radium Fuel Injector Pulsation Damper for OEM Rail - 2015-2021 Subaru STI

    $47.45
    COBB NexGen Flex Fuel Ethanol Sensor Kit - 2008-2021 Subaru STI (Incl. 2018 Type RA)

    55 In Stock

    COBB NexGen Flex Fuel Ethanol Sensor Kit - 2008-2021 Subaru STI (Incl. 2018 Type RA)

    $790.00
    COBB STI Fuel Pressure Regulator Kit - 2008-2021 Subaru STI

    3 In Stock

    315200

    COBB STI Fuel Pressure Regulator Kit - 2008-2021 Subaru STI

    5.0(1)
    $410.00

    Page 1 of 3

    110% Price Match Guarantee*

    Find the same product for less on any competitor's site, and we'll match that price and beat if by 10% of the difference!* 

    Free Shipping*

    Free shipping is available within the lower 48 states for orders totalling $199 or more. Simply select the free shipping option during checkout.
    *Exclusions apply

    30 Day, 100% Satisfaction

    SubiSpeed Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.