2020 Subaru Wrx-sti Engine Upgrades

    WRX STI Upgrades by WRX STI Experts. 

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    Shop 2020 Subaru Wrx-sti featured products

    717 Results

    Killer B Motorsports 3-Piece Super G-EJ Series High Flow Pickup & Baffle Performance Oil Pan - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2008 Forester

    PPBC-HFG

    Killer B Motorsports 3-Piece Super G-EJ Series High Flow Pickup & Baffle Performance Oil Pan - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2008 Forester

    $918.00
    Subaru OEM Oil Cooler w/Seal - 2015-2021 Subaru STI

    3 In Stock

    21311AA120

    Subaru OEM Oil Cooler w/Seal - 2015-2021 Subaru STI

    $320.02
    Mele Design Battery Mount - 600 Series Black Texture - 2015-2021 Subaru WRX / STI

    3 In Stock

    SUB-609-BLK

    Mele Design Battery Mount - 600 Series Black Texture - 2015-2021 Subaru WRX / STI

    $155.00
    Manley Performance Platinum Series Piston Set 100mm 8.5:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    9 In Stock

    612005C-4

    Manley Performance Platinum Series Piston Set 100mm 8.5:1 - Subaru Models (inc. 2006-2014 Subaru WRX / 2004-2021 Subaru STI)

    $699.23
    Torque Solution HKS BOV Adapter Flange - 2015-2021 Subaru STI / 2002-2014 Impreza

    5 In Stock

    TS-SU-HKS

    Torque Solution HKS BOV Adapter Flange - 2015-2021 Subaru STI / 2002-2014 Impreza

    $42.21
    ETS Turbo Kit - 2015-2021 Subaru WRX

    200-40-TK-012

    ETS Turbo Kit - 2015-2021 Subaru WRX

    $6,145.00
    IAG Big Bore 76mm Throttle Body w/ Electronics & Adapter Package (For Use With Process West Intake Manifolds) - Silver Adapter Plate - 2004-2021 Subaru STI / 2006-2007 WRX / 2004-2008 Forester XT

    IAG-AFD-2028SL

    IAG Big Bore 76mm Throttle Body w/ Electronics & Adapter Package (For Use With Process West Intake Manifolds) - Silver Adapter Plate - 2004-2021 Subaru STI / 2006-2007 WRX / 2004-2008 Forester XT

    $414.99
    X Force Race Catback Exhaust System with Quad Tip/Hot Dog Resonator - 2011-2021 Subaru WRX / STI

    ESSW28CS

    X Force Race Catback Exhaust System with Quad Tip/Hot Dog Resonator - 2011-2021 Subaru WRX / STI

    $1,125.00
    GrimmSpeed Blow Off Valve Flange Gasket - 2015-2021 Subaru STI

    50 In Stock

    020023

    GrimmSpeed Blow Off Valve Flange Gasket - 2015-2021 Subaru STI

    5.0(1)
    $14.00
    Invidia Q300 Resonated Single Exit Catback Exhaust - Stainless Steel Tip - 2015-2021 Subaru WRX / STI

    6 In Stock

    HS15SW4G3S

    Invidia Q300 Resonated Single Exit Catback Exhaust - Stainless Steel Tip - 2015-2021 Subaru WRX / STI

    5.0(1)
    $1,166.20
    PERRIN Air Oil Separator (Black) - 2008-2014 Subaru WRX / 2008-2021 STI

    PSP-ENG-606BK

    PERRIN Air Oil Separator (Black) - 2008-2014 Subaru WRX / 2008-2021 STI

    $486.20
    STI 1.3 Bar Radiator Cap - 2015-2021 Subaru WRX / STI

    ST4511355010

    STI 1.3 Bar Radiator Cap - 2015-2021 Subaru WRX / STI

    5.0(1)
    $91.95
    PERRIN Cold Air Intake (Neon Yellow) - 2018-2021 Subaru STI

    9 In Stock

    PSP-INT-326NY

    PERRIN Cold Air Intake (Neon Yellow) - 2018-2021 Subaru STI

    $283.05
    Tomei Arms MX7960 Turbocharger (400hp) - 2015-2021 Subaru STI

    TB401A-SB01B

    Tomei Arms MX7960 Turbocharger (400hp) - 2015-2021 Subaru STI

    $1,879.58
    Compressive Tuning Smart Flow Shroud - 2015-2021 Subaru WRX / STI

    SFS151-AS

    Compressive Tuning Smart Flow Shroud - 2015-2021 Subaru WRX / STI

    $279.00
    GrimmSpeed Turbo to Downpipe Gasket - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    50 In Stock

    028001

    GrimmSpeed Turbo to Downpipe Gasket - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    4.5(2)
    $20.00
    Cobb Tuning Fuel Rails - 2015-2021 Subaru WRX / STI

    3 In Stock

    343150

    Cobb Tuning Fuel Rails - 2015-2021 Subaru WRX / STI

    5.0(1)
    $300.00
    GSC Power-Division Stainless Steel Intake Valves 36mm - 2015-2021 Subaru STI

    100 In Stock

    2012-8

    GSC Power-Division Stainless Steel Intake Valves 36mm - 2015-2021 Subaru STI

    $146.35
    PERRIN Recirculating Blow Off Valve (Black) - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2006-2013 Forester XT / 2005-2009 Legacy GT / Outback XT)

    2 In Stock

    PSP-TAC-600BK

    PERRIN Recirculating Blow Off Valve (Black) - Subaru Models (Inc. 2002-2014 Subaru WRX / 2004-2021 STI / 2006-2013 Forester XT / 2005-2009 Legacy GT / Outback XT)

    $236.30
    Killer B Motorsport Dual Washer/Coolant Reservoir - 2002-2014 Subaru WRX / 2004-2021 STI

    DWR2-B

    Killer B Motorsport Dual Washer/Coolant Reservoir - 2002-2014 Subaru WRX / 2004-2021 STI

    $494.00

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