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    Shop 2018 Subaru Wrx-sti Exhausts Upgrades by Category

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    Exhaust Gaskets and Hardware

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    Cat Back Exhaust System

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    Exhaust Headers and Manifolds

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    Axle Back Exhausts

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    Exhaust Hangers

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    Heat Isolation & Heat Wrap

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    Downpipes and Y Pipes

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    Exhaust Heat Shields

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    Turbo Uppipes

    Shop 2018 Subaru Wrx-sti featured products

    156 Results

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

    ESSW28CS

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

    $1,125.00
    Mahle Turbo Gasket Set - Subaru Models (inc. 2004-2021 STI / 2002-2014 WRX)

    3 In Stock

    GS33536

    Mahle Turbo Gasket Set - Subaru Models (inc. 2004-2021 STI / 2002-2014 WRX)

    5.0(3)
    $59.91
    GrimmSpeed Uppipe to Turbo Gasket - Subaru Turbo Models

    100 In Stock

    024001

    GrimmSpeed Uppipe to Turbo Gasket - Subaru Turbo Models

    4.9(24)
    $17.00
    Subaru OEM Lower Uppipe Gasket - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    3 In Stock

    44022AA170

    Subaru OEM Lower Uppipe Gasket - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    5.0(5)
    $9.38
    GrimmSpeed 2-Bolt Up-Pipe (Black) - EJ25 Engines (Inc. 2004-2021 Subaru STI / 2006-2014 Subaru WRX)

    5 In Stock

    .1099.1.BLK

    GrimmSpeed 2-Bolt Up-Pipe (Black) - EJ25 Engines (Inc. 2004-2021 Subaru STI / 2006-2014 Subaru WRX)

    $269.00
    Subaru OEM Downpipe to Turbo Exhaust Stud - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    801000000

    Subaru OEM Downpipe to Turbo Exhaust Stud - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    5.0(8)
    $13.73
    ETS V2 MaxFlow Header (2-Bolt Flange) - 2004-2021 Subaru STI

    200-10-EXM-201

    ETS V2 MaxFlow Header (2-Bolt Flange) - 2004-2021 Subaru STI

    4.5(2)
    $1,495.00
    HKS Legamax Premium Axle Back Exhaust - 2015-2021 Subaru WRX / STI

    31021-AF024

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

    5.0(1)
    $1,260.00
    GrimmSpeed Lower Uppipe Gasket - Subaru Turbo Models

    99 In Stock

    026001

    GrimmSpeed Lower Uppipe Gasket - Subaru Turbo Models

    5.0(15)
    $14.00
    Invidia Equal Length Big Piping Exhaust Manifold - Subaru Models (Inc. 2002-2014 WRX / 2006-2021 STI)

    HS05SW1HDP

    Invidia Equal Length Big Piping Exhaust Manifold - Subaru Models (Inc. 2002-2014 WRX / 2006-2021 STI)

    5.0(3)
    $2,022.37
    Invidia Uppipe - No EGT Bung - Subaru Models (Inc. 2006-2014 WRX / 2004-2021 STI)

    HS06SW1UPP

    Invidia Uppipe - No EGT Bung - Subaru Models (Inc. 2006-2014 WRX / 2004-2021 STI)

    4.3(6)
    $290.65
    Torque Solution OEM Downpipe to 3in Cat Back Adapter - 2002-2021 Subaru WRX / STI / 2004-2006 Baja / 2004-2013 Forester / 2005-2009 Legacy / Outback / 2005-2006 Saab 9-2X

    52 In Stock

    TS-SU-479

    Torque Solution OEM Downpipe to 3in Cat Back Adapter - 2002-2021 Subaru WRX / STI / 2004-2006 Baja / 2004-2013 Forester / 2005-2009 Legacy / Outback / 2005-2006 Saab 9-2X

    $55.54
    GrimmSpeed Stock Downpipe to 3inch Exhaust Adapter - Subaru Models

    99 In Stock

    077046

    GrimmSpeed Stock Downpipe to 3inch Exhaust Adapter - Subaru Models

    4.9(60)
    $60.00
    Invidia Equal Length Race Exhaust Manifold - Subaru Models (Inc. 2005-2021 STI / 2008-2014 WRX)

    1 In Stock

    HS05SW1HDR

    Invidia Equal Length Race Exhaust Manifold - Subaru Models (Inc. 2005-2021 STI / 2008-2014 WRX)

    4.0(8)
    $1,370.92
    GrimmSpeed Turbo to Downpipe Gasket - Subaru Turbo Models

    96 In Stock

    028001

    GrimmSpeed Turbo to Downpipe Gasket - Subaru Turbo Models

    5.0(123)
    $20.00
    COBB Subaru Brushed Titanium Tip Kit - 2011-2014 Subaru WRX / 2011-2021 STI

    515145-NB

    COBB Subaru Brushed Titanium Tip Kit - 2011-2014 Subaru WRX / 2011-2021 STI

    $280.00
    COBB Subaru Blued Titanium Tip Kit - 2011-2014 Subaru WRX / 2011-2021 STI

    515145-B

    COBB Subaru Blued Titanium Tip Kit - 2011-2014 Subaru WRX / 2011-2021 STI

    5.0(1)
    $280.00
    Killer B Motorsport 4-1 Holy Header w/EGT Bung - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    HH4-1-EGT

    Killer B Motorsport 4-1 Holy Header w/EGT Bung - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $2,275.00
    Invidia N1 Racing Series Single Exit Cat-Back Exhaust - Titanium Tip - 2015-2021 Subaru WRX / STI

    HS15SW4GST

    Invidia N1 Racing Series Single Exit Cat-Back Exhaust - Titanium Tip - 2015-2021 Subaru WRX / STI

    4.9(8)
    $799.37
    Torque Solution 3in Downpipe To Stock Cat Back Adapter - 2004-2021 Subaru WRX / STI / 2004-2006 Baja / 2004-2013 Forester

    12 In Stock

    TS-SU-480

    Torque Solution 3in Downpipe To Stock Cat Back Adapter - 2004-2021 Subaru WRX / STI / 2004-2006 Baja / 2004-2013 Forester

    5.0(2)
    $55.54

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