2018 Subaru Wrx-sti Cat Back Exhaust System Upgrades

    WRX STI Upgrades by WRX STI Experts. 

    39 Results

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

    38 In Stock

    14857

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

    $1,856.99
    AWE Track Edition Cat-Back Exhaust (Diamond Black Tips) - 2011-2021 Subaru WRX / STI Sedan

    9 In Stock

    3020-43066

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

    5.0(2)
    $1,235.00
    Invidia Gemini (R400) Quad Tip Exhaust (Black Tips) - 2015-2021 Subaru WRX / STI

    15 In Stock

    HS15STIGM4SB

    Invidia Gemini (R400) Quad Tip Exhaust (Black Tips) - 2015-2021 Subaru WRX / STI

    5.0(3)
    $1,871.80
    Invidia N1 Dual Cat-Back Exhaust - Stainless Tip - 2015-2021 Subaru WRX / STI / 2014-2018 Forester

    7 In Stock

    HS15STIGTP

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

    5.0(1)
    $1,269.10
    Remark 4" Quad Exhaust - 2015-2021 Subaru WRX / STI

    RK-C4076S-01C

    Remark 4" Quad Exhaust - 2015-2021 Subaru WRX / STI

    5.0(1)
    $1,495.00
    AWE Touring Edition Cat-Back Exhaust (Diamond Black Tips) - 2011-2021 Subaru WRX / STI

    10 In Stock

    3015-43108

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

    5.0(1)
    $1,600.00
    Invidia N1 Cat Back Exhaust With Bead Blasted Piping - Titanium Tip - 2015-2021 Subaru WRX / STI

    9 In Stock

    HS15SW4BGR1GT

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

    $973.14
    Invidia N1 Racing Single Exit Catback Exhaust - Titanium Tip - 2015-2021 Subaru WRX / STI

    14 In Stock

    HS15SW4GST

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

    3.4(5)
    $973.14
    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
    Invidia Q300 Twin Outlet Rolled Titanium Burnt Quad Tip Cat-Back Exhaust - 2015-2021 Subaru WRX / STI

    17 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
    Remark R1-Spec Catback Exhaust Stainless Steel Tip - 2015-2021 Subaru WRX / STI

    9 In Stock

    RK-C1076S-01

    Remark R1-Spec Catback Exhaust Stainless Steel Tip - 2015-2021 Subaru WRX / STI

    $995.00
    GrimmSpeed Cat-Back Exhaust System Resonated - 2011-2021 Subaru WRX Sedan / STI Sedan

    070033

    GrimmSpeed Cat-Back Exhaust System Resonated - 2011-2021 Subaru WRX Sedan / STI Sedan

    $2,115.07
    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
    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
    HKS Legamax Premium Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    70 In Stock

    31021-BF001

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

    5.0(2)
    $1,386.00
    Invidia N1 Full Titanium Twin Outlet Cat-Back Exhaust System - 2015-2021 Subaru WRX

    2 In Stock

    HS15STIDTG

    Invidia N1 Full Titanium Twin Outlet Cat-Back Exhaust System - 2015-2021 Subaru WRX

    5.0(1)
    $1,835.54
    Remark R1-Spec Catback Exhaust Burnt Stainless Steel Tip - 2015-2021 Subaru WRX / STI

    24 In Stock

    RK-C1076S-01T

    Remark R1-Spec Catback Exhaust Burnt Stainless Steel Tip - 2015-2021 Subaru WRX / STI

    5.0(1)
    $1,095.00
    HKS Super Turbo Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    31029-AF011

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

    $1,656.00
    AWE Touring Edition Cat-Back Exhaust (Chrome Silver Quad Tips) - 2015-2021 Subaru WRX / STI

    6 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
    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

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