2021 Subaru Wrx-sti Cat Back Exhaust System Upgrades

    WRX STI Upgrades by WRX STI Experts. 

    33 Results

    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
    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
    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 Resonated Single Exit Cat Back Exhaust - Titanium Tip - 2015-2021 Subaru WRX / STI

    4 In Stock

    HS15SW4GTT

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

    $1,111.32
    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
    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
    AWE Track Edition Cat-Back Exhaust (Diamond Black Tips) - 2011-2021 Subaru WRX / STI Sedan

    14 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
    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
    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
    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
    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
    Invidia N1 Dual Cat-Back Exhaust - Stainless Tip - 2015-2021 Subaru WRX / STI / 2014-2018 Forester

    12 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
    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 Hi-Power Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    54 In Stock

    31006-BF001

    HKS Hi-Power Cat Back Exhaust System - 2015-2021 Subaru WRX / STI

    $1,900.00
    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
    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
    Invidia Gemini Full Titanium Quad Tip Cat-Back Exhaust - 2015-2021 Subaru WRX / STI

    HS15STI5TG4ST

    Invidia Gemini Full Titanium Quad Tip Cat-Back Exhaust - 2015-2021 Subaru WRX / STI

    5.0(1)
    $2,788.10
    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
    Greddy Supreme SP Exhaust - 2015-2021 Subaru WRX / STI

    10168202

    Greddy Supreme SP Exhaust - 2015-2021 Subaru WRX / STI

    5.0(6)
    $1,135.25

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