2020 Subaru Wrx-sti Engine Upgrades

    WRX STI Upgrades by WRX STI Experts. 

    Shop 2020 Subaru Wrx-sti Engine Upgrades by Category

    Shop 2020 Subaru Wrx-sti featured products

    642 Results

    HKS Super Turbo Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    1 In Stock

    31029-AF011

    HKS Super Turbo Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    $2,200.00
    Verus Engineering Oil Cap, Anodized Black - 2012-2024 Subaru WRX / 2013-2021 STI / 2013-2024 Toyota GR86 / Subaru BRZ / Scion FRS / 2014-2024 Forester / 20-2024 Crosstrek / 2015-2024 Impreza

    A0310A-BLK

    Verus Engineering Oil Cap, Anodized Black - 2012-2024 Subaru WRX / 2013-2021 STI / 2013-2024 Toyota GR86 / Subaru BRZ / Scion FRS / 2014-2024 Forester / 20-2024 Crosstrek / 2015-2024 Impreza

    $59.95
    Torque Solution V2 Top Feed Fuel Rails (Blue) - 2002-2014 Subaru WRX / 2007-2020 STI / 2008-2012 Legacy GT / 2006-2013 Forester XT

    TS-SU-400BU.2

    Torque Solution V2 Top Feed Fuel Rails (Blue) - 2002-2014 Subaru WRX / 2007-2020 STI / 2008-2012 Legacy GT / 2006-2013 Forester XT

    $222.21
    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)

    16 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
    PERRIN Top Mount Intercooler (Silver) - 2008-2021 Subaru STI

    7 In Stock

    PSP-ITR-302SL

    PERRIN Top Mount Intercooler (Silver) - 2008-2021 Subaru STI

    $756.50
    Brian Crower ProH2K Connecting Rods Subaru for EJ Models - 2015-2021 Subaru STI / 1998-2013 Forester / 1993-2014 Impreza

    BC6609

    Brian Crower ProH2K Connecting Rods Subaru for EJ Models - 2015-2021 Subaru STI / 1998-2013 Forester / 1993-2014 Impreza

    $626.00
    Windshield Washer Cap, Anodized Black - 2007-2021 Subaru WRX / STI / 2013-2017 Crosstrek / 2014-2018 Forester / 2015-2024 Outback

    A0399A-BLK

    Windshield Washer Cap, Anodized Black - 2007-2021 Subaru WRX / STI / 2013-2017 Crosstrek / 2014-2018 Forester / 2015-2024 Outback

    $36.95
    PERRIN Lightweight Crank Pulley - Red - Subaru Models (inc. 2015-2021 STI / 1998-2012 Forester / 1993-2014 Impreza / 1993-2009 Legacy)

    46 In Stock

    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
    Dress Up Bolts Stage 2 Titanium Hardware Engine Kit for EJ257 Engine (Blue) - 2015-2021 Subaru STI

    SUB-017-TI-BLU

    Dress Up Bolts Stage 2 Titanium Hardware Engine Kit for EJ257 Engine (Blue) - 2015-2021 Subaru STI

    $203.93
    HKS Legamax Premium Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    68 In Stock

    31021-BF001

    HKS Legamax Premium Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    5.0(2)
    $1,990.00
    Tomei Expreme Equal Length Exhaust Manifold - 2004-2021 Subaru STI / 2002-2014 WRX

    TB6010-SB02B

    Tomei Expreme Equal Length Exhaust Manifold - 2004-2021 Subaru STI / 2002-2014 WRX

    5.0(1)
    $890.00
    Manley Performance H-Plus Forged Connecting Rods - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    4 In Stock

    15024R6-4

    Manley Performance H-Plus Forged Connecting Rods - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    $909.79
    PTP Turbo Blanket - Universal

    FPRO35-009-02

    PTP Turbo Blanket - Universal

    $99.95
    GrimmSpeed Air/Oil Separator (Red) - 2002-2007 Subaru WRX / 2004-2021 Subaru STI

    12 In Stock

    078006R

    GrimmSpeed Air/Oil Separator (Red) - 2002-2007 Subaru WRX / 2004-2021 Subaru STI

    5.0(1)
    $325.00
    PERRIN Performance Engine Shroud (Red) - 2015-2021 Subaru WRX / STI

    39 In Stock

    PSP-ENG-550RD

    PERRIN Performance Engine Shroud (Red) - 2015-2021 Subaru WRX / STI

    $105.40
    Manley Economical H Beam Steel Connecting Rod - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    16 In Stock

    14024-4

    Manley Economical H Beam Steel Connecting Rod - Subaru Models (inc. 2002-2005 Subaru WRX / 2004-2021 Subaru STI)

    $518.00
    Remark Muffler Axleback Exhaust Double Wall Burnt 3.5in Tip- 2015-2021 Subaru WRX / STI

    100 In Stock

    RO-TTVA-D

    Remark Muffler Axleback Exhaust Double Wall Burnt 3.5in Tip- 2015-2021 Subaru WRX / STI

    $715.00
    Mahle Turbo Gasket Set Subaru Models - 2015-2021 Subaru STI / 2002-2014 Impreza

    1 In Stock

    GS33536

    Mahle Turbo Gasket Set Subaru Models - 2015-2021 Subaru STI / 2002-2014 Impreza

    $87.61
    IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads & S3 Cams for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

    IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads & S3 Cams for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT

    $22,849.98
    MXP Comp RS Catback Exhaust - 2015-2021 Subaru WRX / STI

    9 In Stock

    MXCRVA

    MXP Comp RS Catback Exhaust - 2015-2021 Subaru WRX / STI

    $1,425.81

    Page 1 of 33

    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.