2018 Subaru Wrx-sti Cat Back Exhaust System Upgrades

    WRX STI Upgrades by WRX STI Experts. 

    35 Results

    Invidia R400 Gemini Single Layer Cat Back Exhaust - Titanium Burnt Tips - 2015-2021 Subaru WRX / STI

    85 In Stock

    HS15STIGM4ST

    Invidia R400 Gemini Single Layer Cat Back Exhaust - Titanium Burnt Tips - 2015-2021 Subaru WRX / STI

    5.0(2)
    $1,848.28
    Invidia Q300 Resonated Single Exit Catback Exhaust - Stainless Steel Tip - 2015-2021 Subaru WRX / STI

    4 In Stock

    HS15SW4G3S

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

    5.0(1)
    $1,166.20
    Invidia Q300 Twin Outlet Rolled Titanium Burnt Quad Tip Cat-Back Exhaust - 2015-2021 Subaru WRX / STI

    16 In Stock

    HS15STIG3T

    Invidia Q300 Twin Outlet Rolled Titanium Burnt Quad Tip Cat-Back Exhaust - 2015-2021 Subaru WRX / STI

    5.0(2)
    $1,848.28
    Magnaflow Competition Series 3" Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    19361

    Magnaflow Competition Series 3" Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    5.0(6)
    $1,264.00
    AWE Touring Edition Cat-Back Exhaust (Chrome Silver Quad Tips) - 2015-2021 Subaru WRX / STI

    4 In Stock

    3015-42098

    AWE Touring Edition Cat-Back Exhaust (Chrome Silver Quad Tips) - 2015-2021 Subaru WRX / STI

    5.0(2)
    $1,545.00
    Cobb Tuning Titanium Cat Back Exhaust System - 2011-2021 Subaru WRX Sedan / STI Sedan

    515140

    Cobb Tuning Titanium Cat Back Exhaust System - 2011-2021 Subaru WRX Sedan / STI Sedan

    5.0(1)
    $2,450.00
    Mishimoto Stainless Steel 3inch Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    MMEXH-WRX-15

    Mishimoto Stainless Steel 3inch Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    5.0(1)
    $1,398.72
    AWE Track Edition Cat-Back Exhaust (Chrome Tips) - 2011-2021 Subaru WRX / STI Sedan

    7 In Stock

    3020-42058

    AWE Track Edition Cat-Back Exhaust (Chrome Tips) - 2011-2021 Subaru WRX / STI Sedan

    5.0(8)
    $1,185.00
    Invidia N1 Racing Single Exit Catback Exhaust - Titanium Tip - 2015-2021 Subaru WRX / STI

    11 In Stock

    HS15SW4GST

    Invidia N1 Racing Single Exit Catback Exhaust - Titanium Tip - 2015-2021 Subaru WRX / STI

    3.4(5)
    $973.14
    Invidia Full Titanium Single Exit Cat Back Exhaust - Burnt Tip - 2015-2021 Subaru WRX / STI

    1 In Stock

    HS15SW4TRG

    Invidia Full Titanium Single Exit Cat Back Exhaust - Burnt Tip - 2015-2021 Subaru WRX / STI

    5.0(1)
    $1,472.10
    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
    ETS Catback Exhaust System w/ Muffled Rear and Resonated Mid Pipe - Stealth Black Tips - 2015-2021 Subaru WRX / STI

    200-30-EXH-029

    ETS Catback Exhaust System w/ Muffled Rear and Resonated Mid Pipe - Stealth Black Tips - 2015-2021 Subaru WRX / STI

    $1,545.00
    Invidia N1 Dual Cat-Back Exhaust - Titanium Tip - 2015-2021 Subaru WRX / STI / 2014-2018 Forester

    42 In Stock

    HS15STIGTT

    Invidia N1 Dual Cat-Back Exhaust - Titanium Tip - 2015-2021 Subaru WRX / STI / 2014-2018 Forester

    5.0(2)
    $1,308.30
    GrimmSpeed Catback Exhaust System Non-Resonated - 2011-2021 Subaru WRX Sedan / STI Sedan

    070034

    GrimmSpeed Catback Exhaust System Non-Resonated - 2011-2021 Subaru WRX Sedan / STI Sedan

    5.0(1)
    $2,032.67
    AWE Touring Edition Cat-Back Exhaust (Diamond Black Tips) - 2011-2021 Subaru WRX / STI

    13 In Stock

    3015-43108

    AWE Touring Edition Cat-Back Exhaust (Diamond Black Tips) - 2011-2021 Subaru WRX / STI

    5.0(1)
    $1,600.00
    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
    Corsa 3" Catback Exhaust System (Stainless Steel Tips) - 2015-2021 Subaru WRX / STI

    14857

    Corsa 3" Catback Exhaust System (Stainless Steel Tips) - 2015-2021 Subaru WRX / STI

    $1,483.99
    Invidia N1 Cat Back Exhaust With Bead Blasted Piping - Titanium Tip - 2015-2021 Subaru WRX / STI

    4 In Stock

    HS15SW4BGR1GT

    Invidia N1 Cat Back Exhaust With Bead Blasted Piping - Titanium Tip - 2015-2021 Subaru WRX / STI

    $973.14
    HKS S4 Super Turbo Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    31029-AF012

    HKS S4 Super Turbo Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    $2,200.00
    AWE Touring Edition Cat-Back Exhaust (Chrome Silver Tips) - 2011-2021 Subaru WRX / STI

    1 In Stock

    3015-42104

    AWE Touring Edition Cat-Back Exhaust (Chrome Silver Tips) - 2011-2021 Subaru WRX / STI

    $1,545.00

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