2004 Subaru Impreza Engine Upgrades

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    Shop 2004 Subaru Impreza featured products

    495 Results

    GrimmSpeed Stock Downpipe to 3inch Exhaust Adapter - Subaru Models (inc. 2004-2021 Subaru STI / 2002-2021 WRX)

    50 In Stock

    077046

    GrimmSpeed Stock Downpipe to 3inch Exhaust Adapter - Subaru Models (inc. 2004-2021 Subaru STI / 2002-2021 WRX)

    4.9(9)
    $60.00
    COBB Tuning SF Intake Air Filter Replacement - 2004-2021 Subaru STI / 2002-2014 WRX

    50 In Stock

    712101

    COBB Tuning SF Intake Air Filter Replacement - 2004-2021 Subaru STI / 2002-2014 WRX

    5.0(2)
    $65.00
    Torque Solution Cylinder 4 Coolant Mod - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    18 In Stock

    TS-SU-585

    Torque Solution Cylinder 4 Coolant Mod - 2002-2014 Subaru WRX / 2004-2021 Subaru STI

    5.0(1)
    $84.99
    GFB Respons TMS Adjustable BOV - 2015-2021 Subaru STI / 2006-2008 Forester XT / 2002-2014 Impreza

    8 In Stock

    T9003

    GFB Respons TMS Adjustable BOV - 2015-2021 Subaru STI / 2006-2008 Forester XT / 2002-2014 Impreza

    4.8(12)
    $307.80
    PERRIN Oil Cap (Blue) - Subaru Models (Inc. 2002-2024 WRX / 2004-2021 STI / 1998-2024 Forester / 2013-2024 BRZ)

    PSP-ENG-711BL

    PERRIN Oil Cap (Blue) - Subaru Models (Inc. 2002-2024 WRX / 2004-2021 STI / 1998-2024 Forester / 2013-2024 BRZ)

    $69.70
    GrimmSpeed OVERTAKE BB500 Turbocharger Kit - 2002-2014 Subaru WRX / 2004-2021 STI / 2005-2009 Legacy GT / Outback XT

    50 In Stock

    123006

    GrimmSpeed OVERTAKE BB500 Turbocharger Kit - 2002-2014 Subaru WRX / 2004-2021 STI / 2005-2009 Legacy GT / Outback XT

    5.0(1)
    $1,999.00
    Injector Dynamics Fuel Injectors 1300cc - 2015-2021 Subaru STI / 2006-2008 Forester / 2002-2014 Impreza

    18 In Stock

    1300.48.11.WRX.4

    Injector Dynamics Fuel Injectors 1300cc - 2015-2021 Subaru STI / 2006-2008 Forester / 2002-2014 Impreza

    $945.00
    GSC Power-Division Viton Valve Stem Seals - Subaru EJ Turbo Models (inc. 2002-2014 WRX / 2004-2021 STI)

    72 In Stock

    1022

    GSC Power-Division Viton Valve Stem Seals - Subaru EJ Turbo Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $16.75
    Invidia Downpipe Catted Divorced Wastegate - 2002-2007 Subaru WRX / STI / 2004-2008 Forester XT

    HS05SW1DPC

    Invidia Downpipe Catted Divorced Wastegate - 2002-2007 Subaru WRX / STI / 2004-2008 Forester XT

    $812.33
    Torque Solution HD Cam Gear Set - 2002-2014 Subaru WRX / 2004-2007 STI

    TS-SU-720

    Torque Solution HD Cam Gear Set - 2002-2014 Subaru WRX / 2004-2007 STI

    $231.10
    PERRIN Lightweight Crank Pulley - Red - Subaru Models (inc. 2015-2021 STI / 1998-2012 Forester / 1993-2014 Impreza / 1993-2009 Legacy)

    PSP-ENG-100RD

    PERRIN Lightweight Crank Pulley - Red - Subaru Models (inc. 2015-2021 STI / 1998-2012 Forester / 1993-2014 Impreza / 1993-2009 Legacy)

    4.0(1)
    $125.00
    Torque Solution HKS BOV Adapter Flange - 2015-2021 Subaru STI / 2002-2014 Impreza

    TS-SU-HKS

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

    $42.21
    Deatschwerks In Tank Fuel Filter 40 Micron - 2004-2007 Subaru STI / 2006-2007 WRX

    8-05-01-040

    Deatschwerks In Tank Fuel Filter 40 Micron - 2004-2007 Subaru STI / 2006-2007 WRX

    $96.00
    GFB Mach 2 TMS Recirculating Diverter Valve - 2015-2021 Subaru STI / 2006-2008 Forester XT / 2002-2014 Impreza

    4 In Stock

    T9103

    GFB Mach 2 TMS Recirculating Diverter Valve - 2015-2021 Subaru STI / 2006-2008 Forester XT / 2002-2014 Impreza

    $190.80
    Company23 DOHC Water Pump Kit - 2002-2007 Subaru WRX / 2004-2021 STI / 2005-2009 Outback XT

    579

    Company23 DOHC Water Pump Kit - 2002-2007 Subaru WRX / 2004-2021 STI / 2005-2009 Outback XT

    $113.22
    Killer B Motorsport 4-1 Holy Header DIY Rotated - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT

    HH-DIY

    Killer B Motorsport 4-1 Holy Header DIY Rotated - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT

    $1,756.00
    COBB Subaru EJ Turbo Blanket Black Lava - 2015-2021 Subaru STI

    2 In Stock

    821660

    COBB Subaru EJ Turbo Blanket Black Lava - 2015-2021 Subaru STI

    $215.00
    Subaru OEM Turbo to Downpipe Gasket - 2015-2021 Subaru STI

    9 In Stock

    44022AA180

    Subaru OEM Turbo to Downpipe Gasket - 2015-2021 Subaru STI

    5.0(1)
    $32.74
    Gates Racing Timing Belt - 2015-2021 Subaru STI

    8 In Stock

    T328RB

    Gates Racing Timing Belt - 2015-2021 Subaru STI

    $185.35
    GrimmSpeed Exhaust Manifold to Up Pipe Gasket (2x thick) - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    50 In Stock

    027001

    GrimmSpeed Exhaust Manifold to Up Pipe Gasket (2x thick) - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

    $25.00

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