2021 Subaru Wrx-sti Drivetrain Upgrades

    WRX STI Upgrades by WRX STI Experts. 

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    137 Results

    Competition Clutch Stage 2 Steelback Brass Plus Clutch Kit - 2015-2021 Subaru STI / 2004-2014 Impreza

    35 In Stock

    15030-2100

    Competition Clutch Stage 2 Steelback Brass Plus Clutch Kit - 2015-2021 Subaru STI / 2004-2014 Impreza

    $679.99
    ACT Heavy Duty Monoloc Rigid Race 6 Pad Clutch - 2004-2021 Subaru STI

    SB10-HDR6

    ACT Heavy Duty Monoloc Rigid Race 6 Pad Clutch - 2004-2021 Subaru STI

    $799.00
    COBB 6-Speed Front Shifter Bushing - 2015-2021 Subaru STI / 2004-2014 Impreza / 2007-2009 Legacy

    4 In Stock

    213320

    COBB 6-Speed Front Shifter Bushing - 2015-2021 Subaru STI / 2004-2014 Impreza / 2007-2009 Legacy

    5.0(1)
    $60.00
    PERRIN Pitch Stop Mount (Blue) - Subaru Models (Inc. 2002-2024 Subaru WRX / 2004-2021 STI / 1993-2024 Impreza / 2019-2024 Ascent / 2013-2024 Crosstrek / 2005-2009 & 2020-2024 Legacy / Outback)

    14 In Stock

    PSP-DRV-101BL

    PERRIN Pitch Stop Mount (Blue) - Subaru Models (Inc. 2002-2024 Subaru WRX / 2004-2021 STI / 1993-2024 Impreza / 2019-2024 Ascent / 2013-2024 Crosstrek / 2005-2009 & 2020-2024 Legacy / Outback)

    5.0(2)
    $99.45
    Exedy Stage 1 Organic Disc Clutch Kit - 2004-2021 Subaru STI

    15803

    Exedy Stage 1 Organic Disc Clutch Kit - 2004-2021 Subaru STI

    $637.31
    Cusco 3 Piece Engine and Transmission Mount Set - 2015-2021 Subaru STI / 2002-2005 Impreza

    6 In Stock

    660911SET

    Cusco 3 Piece Engine and Transmission Mount Set - 2015-2021 Subaru STI / 2002-2005 Impreza

    $365.00
    ACT Mod-Twin 225 XT Rigid Street Clutch Kit - 2004-2021 Subaru STI

    3 In Stock

    T2S-S07

    ACT Mod-Twin 225 XT Rigid Street Clutch Kit - 2004-2021 Subaru STI

    $1,955.00
    South Bend Clutch Stage 4 Extreme Clutch Kit - 2004+ Subaru STI / 2007-2009 Subaru Legacy GT Spec B

    FJK1000-SS-X

    South Bend Clutch Stage 4 Extreme Clutch Kit - 2004+ Subaru STI / 2007-2009 Subaru Legacy GT Spec B

    $1,253.82
    ACT XACT Streetlite Flywheel - 2004-2021 Subaru STI

    41 In Stock

    600235

    ACT XACT Streetlite Flywheel - 2004-2021 Subaru STI

    5.0(1)
    $476.00
    COBB Rear Differential Subframe Mount Bushing Insert - 2008-2021 Subaru WRX / STI

    1 In Stock

    CB-4297K

    COBB Rear Differential Subframe Mount Bushing Insert - 2008-2021 Subaru WRX / STI

    $40.00
    XClutch Sprung Organic Stage 1 Clutch Kit - 2004-2021 Subaru STI

    12 In Stock

    XKSU24001-1A

    XClutch Sprung Organic Stage 1 Clutch Kit - 2004-2021 Subaru STI

    $656.87
    Xclutch 9in Twin Sprung Organic Clutch Kit - 2015-2021 Subaru STI

    6 In Stock

    XKSU23531-2A

    Xclutch 9in Twin Sprung Organic Clutch Kit - 2015-2021 Subaru STI

    5.0(1)
    $1,683.57
    Cusco Pitch Stop Mount Billet Aluminum w/ HD Rubber Blue - 2015-2021 Subaru WRX / STI / 1993-2014 Impreza

    18 In Stock

    6A1911PS

    Cusco Pitch Stop Mount Billet Aluminum w/ HD Rubber Blue - 2015-2021 Subaru WRX / STI / 1993-2014 Impreza

    $170.00
    Cusco RS Rear LSD 1.5 Way (R180) - 2015-2021 Subaru WRX / STI / 2004-2014 Impreza

    5 In Stock

    LSD182L15

    Cusco RS Rear LSD 1.5 Way (R180) - 2015-2021 Subaru WRX / STI / 2004-2014 Impreza

    $1,480.00
    PERRIN Engine Mount Kit - Subaru Models (Inc. 2015-2021 Subaru WRX / STI / 2004-2018 Forester / 1993-2019 Impreza / 2013-2016 Scion FR-S / 2013-2020 Subaru BRZ / 2017-2020 Toyota 86)

    19 In Stock

    PSP-DRV-055

    PERRIN Engine Mount Kit - Subaru Models (Inc. 2015-2021 Subaru WRX / STI / 2004-2018 Forester / 1993-2019 Impreza / 2013-2016 Scion FR-S / 2013-2020 Subaru BRZ / 2017-2020 Toyota 86)

    $313.70
    IAG Street Series Engine Mounts - 2015-2021 Subaru STI / 2004-2008 Forester / 2002-2014 Impreza

    IAG-DRV-2000

    IAG Street Series Engine Mounts - 2015-2021 Subaru STI / 2004-2008 Forester / 2002-2014 Impreza

    $269.99
    COBB Subaru Rear Differential to Subframe Mount Bushing Kit - 2008-2021 Subaru WRX / STI / 2009-2013 Forester XT

    CB-3201K

    COBB Subaru Rear Differential to Subframe Mount Bushing Kit - 2008-2021 Subaru WRX / STI / 2009-2013 Forester XT

    $105.00
    COBB Subaru Rear Differential Pinion Crossmember Mount Bushing - 2008-2021 Subaru WRX / STI

    CB-3200K

    COBB Subaru Rear Differential Pinion Crossmember Mount Bushing - 2008-2021 Subaru WRX / STI

    $85.00
    Kartboy Rear Diff / Carrier Wedge Lock System - 2015-2021 Subaru WRX / STI

    74 In Stock

    KB-003-WEDGE

    Kartboy Rear Diff / Carrier Wedge Lock System - 2015-2021 Subaru WRX / STI

    5.0(1)
    $100.00
    Torque Solution Upper Differential Mount Inserts - 2015-2021 Subaru WRX / STI

    6 In Stock

    TS-SU-303

    Torque Solution Upper Differential Mount Inserts - 2015-2021 Subaru WRX / STI

    $111.10

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