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Subaru STI Parts

At Envision Tuning, our Subaru STI Parts collection offers a wide array of solutions designed to cater to your specific vehicle and performance needs. Whether you're a Subaru STI enthusiast, a dedicated racer, or someone who simply wants to maximize your vehicle's capabilities, our parts are tailored to meet your expectations.

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  • AEM Wrinkle Red Cold Air Intake System 2018 STI

    AEM Induction
    $349.99 - $349.99
    $349.99
    $349.99 - $349.99
    $349.99
      Lease to own   Pay as low as   $/week

    The AEM 21-836WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter...

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  • Sold out

    AEM Wrinkle Red Cold Air Intake System 2015-2017 STI

    AEM Induction
    $349.99 - $349.99
    $349.99
    $349.99 - $349.99
    $349.99
      Lease to own   Pay as low as   $/week

    The AEM 21-735WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter...

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  • AEM Wrinkle Black Cold Air Intake System 2015-2017 STI

    AEM Induction
    $349.99 - $349.99
    $349.99
    $349.99 - $349.99
    $349.99
      Lease to own   Pay as low as   $/week

    AEM Cold Air Intake Systems are designed to produce horsepower and torque gains. They replace the restrictive factory airbox and air filter to give...

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  • aFe Takeda 3in SS Exhaust Catback w/ Polished Tips 2015-2021 WRX / 2015-2021 STI

    aFe
    $1,789.10 - $1,789.10
    $1,789.10
    $1,789.10 - $1,789.10
    $1,789.10
      Lease to own   Pay as low as   $/week

    aFe proudly presents this Takeda 3in SS Exhaust Catback w/ Polished Tips for 2015-2021 WRX and 2015-2021 STI vehicles equipped with H4-2.0L/2.5L (t...

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  • aFe Takeda 3in 304 SS Catback Exhaust System 2015-2021 WRX/ 2015-2021 STI

    aFe
    $1,972.74 - $1,972.74
    $1,972.74
    $1,972.74 - $1,972.74
    $1,972.74
      Lease to own   Pay as low as   $/week

    This high-performance Takeda dual cat-back exhaust system for the 2015-2017 Subaru WRX and WRX STI features 3" mandrel-bent 304 stainless steel tub...

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  • Sold out

    aFe Takeda Attack Stage-2 Pro Cold Air Intake System w/Pro DRY S Filter Media 2008-2014 WRX / 2008-2014 STI

    aFe
    $383.26 - $383.26
    $383.26
    $383.26 - $383.26
    $383.26
      Lease to own   Pay as low as   $/week

    Takeda intakes are constructed out of lightweight black wrinkle finish aluminum tubing or clear-coat anodized polished tubing for maximum air flow ...

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  • AEM Intake Cold Air Intake System 2019-2021 STI

    AEM Induction
    $399.99 - $399.99
    $399.99
    $399.99 - $399.99
    $399.99
      Lease to own   Pay as low as   $/week

    The AEM Intake Cold Air Intake System designed specifically for your application to replace the factory restrictive intake system to increase both ...

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  • AEM Wrinkle Red Cold Air Intake 2008-2014 WRX / 2008-2014 STI

    AEM Induction
    $399.99 - $399.99
    $399.99
    $399.99 - $399.99
    $399.99
      Lease to own   Pay as low as   $/week

    The AEM 21-478WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter...

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  • AEM Gunmetal Gray Cold Air Intake System 2008-2014 WRX / 2008-2014 STI

    AEM Induction
    $299.99 - $299.99
    $299.99
    $299.99 - $299.99
    $299.99
      Lease to own   Pay as low as   $/week

    AEM cold air intake systems are designed to increase horsepower and torque. The system includes an oversized AEM DRYFLOW synthetic washable air fil...

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  • Sale Sale

    ACT Mod-Twin 225 HD Sprung Race Clutch Kit 2004-2020 STI

    ACT
    $2,360.00
    $2,360.00 - $2,360.00
    $2,360.00
    $1,841.00
    $1,841.00 - $1,841.00
    $1,841.00
      Lease to own   Pay as low as   $/week

    This is ACT's new Mod Twin 225 HD Sprung Race Clutch Kit. This particular clutch kit is ideal for high-horsepower AWD vehicles that experience aggr...

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  • Sale Sale

    ACT Heavy Duty Sprung 4-Puck Disc Clutch Kit 2004-2021 STI

    ACT
    $929.00
    $929.00 - $929.00
    $929.00
    $725.00
    $725.00 - $725.00
    $725.00
      Lease to own   Pay as low as   $/week

    This is the ACT Heavy Duty Sprung 4-Puck Disc Clutch Kit. This particular clutch kit has been designed to sustain substantial increases in power an...

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  • Sale Sale

    3D MAXpider 15-21 Subaru WRX/STi Kagu Cargo Liner - Black

    3D MAXpider
    $140.34
    $140.34 - $140.34
    $140.34
    $132.99
    $132.99 - $132.99
    $132.99
      Lease to own   Pay as low as   $/week

    Unlike the traditional floor mats with heavy weights, commercial rubbery looking; 3D MAXpider custom-fit floor mats are the revolutionary interior ...

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  • Sale Sale

    3D MAXpider 08-11 Subaru Impreza / WRX / 08-14 WRX Kagu 1st & 2nd Row Floormats - Black

    3D MAXpider
    $194.28
    $194.28 - $194.28
    $194.28
    $183.99
    $183.99 - $183.99
    $183.99
      Lease to own   Pay as low as   $/week

    3D MAXpider proudly offers you the highest quality floor liners and cargo liners with patented MAXpider fiber backing and innovative 3-layer constr...

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  • Sale Sale

    3D MAXpider 08-11 Subaru Impreza / WRX / 08-14 Impreza WRX STI Kagu 1st Row Floormats - Black

    3D MAXpider
    $116.34
    $116.34 - $116.34
    $116.34
    $110.99
    $110.99 - $110.99
    $110.99
      Lease to own   Pay as low as   $/week

    Unlike the traditional floor mats with heavy weights, commercial rubbery looking; 3D MAXpider custom-fit floor mats are the revolutionary interior ...

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  • Sale Sale

    ACT Mod-Twin 225 XX Rigid Race Clutch Kit 2004-2020 STI

    ACT
    $2,105.00
    $2,105.00 - $2,105.00
    $2,105.00
    $1,642.00
    $1,642.00 - $1,642.00
    $1,642.00
      Lease to own   Pay as low as   $/week

    This is ACT's new Mod Twin 225 XX Rigid Race Clutch Kit. This particular clutch kit is ideal for high-horsepower AWD vehicles that experience aggre...

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  • Sale Sale

    ACT Mod-Twin 225 XX Sprung Race Clutch Kit 2004-2020 STI

    ACT
    $2,159.00
    $2,159.00 - $2,159.00
    $2,159.00
    $1,684.00
    $1,684.00 - $1,684.00
    $1,684.00
      Lease to own   Pay as low as   $/week

    This is ACT's new Mod Twin 225 XX Sprung Race Clutch Kit. This particular clutch kit is ideal for high-horsepower AWD vehicles that experience aggr...

    View full details
  • Sale Sale

    ACT Mod-Twin 225 XT Rigid Race Clutch Kit 2004-2020 STI

    ACT
    $2,300.00
    $2,300.00 - $2,300.00
    $2,300.00
    $1,794.00
    $1,794.00 - $1,794.00
    $1,794.00
      Lease to own   Pay as low as   $/week

    This is ACT's new Mod Twin 225 XT Rigid Race Clutch Kit. This particular clutch kit is ideal for high-horsepower AWD vehicles that experience aggre...

    View full details
  • Sale Sale

    ACT Mod-Twin 225 XT Sprung Race Clutch Kit 2004-2020 STI

    ACT
    $2,360.00
    $2,360.00 - $2,360.00
    $2,360.00
    $1,841.00
    $1,841.00 - $1,841.00
    $1,841.00
      Lease to own   Pay as low as   $/week

    This is ACT's new Mod Twin 225 XT Sprung Race Clutch Kit. This particular clutch kit is ideal for high-horsepower AWD vehicles that experience aggr...

    View full details
  • Sale Sale

    ACT Mod-Twin 225 HD Rigid Race Clutch Kit 2004-2020 STI

    ACT
    $2,300.00
    $2,300.00 - $2,300.00
    $2,300.00
    $1,794.00
    $1,794.00 - $1,794.00
    $1,794.00
      Lease to own   Pay as low as   $/week

    This is ACT's new Mod Twin 225 HD Rigid Race Clutch Kit. This particular clutch kit is ideal for high-horsepower AWD vehicles that experience aggre...

    View full details
  • Sale Sale

    ACT Xtreme Duty 6-Puck Disc Clutch Kit 2004-2021 STI

    ACT
    $992.00
    $992.00 - $992.00
    $992.00
    $774.00
    $774.00 - $774.00
    $774.00
      Lease to own   Pay as low as   $/week

    This clutch kit is perfect for those of you with moderate bolt-ons, and need a clutch that is strong enough to handle the power. This clutch kit fe...

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  • Sale Sale

    ACT Heavy Duty M/Race Rigid 6 Pad Clutch Kit 2004-2021 STI

    ACT
    $892.00
    $892.00 - $892.00
    $892.00
    $696.00
    $696.00 - $696.00
    $696.00
      Lease to own   Pay as low as   $/week

    This is the ACT Heavy-Duty M/Race Rigid 6-Pad Disc Clutch Kit. This is a great clutch kit for those with vehicles built for high-horsepower street ...

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  • Sale Sale

    3D MAXpider 08-11 Subaru Impreza Sedan / 08-14 Impreza WRX Sedan Kagu Cross Fold Cargo Liner - Black

    3D MAXpider
    $140.34
    $140.34 - $140.34
    $140.34
    $132.99
    $132.99 - $132.99
    $132.99
      Lease to own   Pay as low as   $/week

    Unlike the traditional floor mats with heavy weights, commercial rubbery looking; 3D MAXpider custom-fit floor mats are the revolutionary interior ...

    View full details
  • Sale Sale

    ACT Heavy Duty M/Race Rigid 6 Pad Clutch Kit 2004-2021 STI

    ACT
    $924.00
    $924.00 - $924.00
    $924.00
    $721.00
    $721.00 - $721.00
    $721.00
      Lease to own   Pay as low as   $/week

    Here, you're looking at the ACT Heavy Duty 6 Pad Clutch Kit for the 2004-2021 STI. The ACT Heavy-Duty M/Race Rigid 6-Pad Disc Clutch Kit is a great...

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  • Sale Sale

    ACT Mod-Twin 225 HD Sprung Street Clutch Kit 2004-2021 STI

    ACT
    $2,241.00
    $2,241.00 - $2,241.00
    $2,241.00
    $1,748.00
    $1,748.00 - $1,748.00
    $1,748.00
      Lease to own   Pay as low as   $/week

    This is ACT's new Mod Twin 225 HD Sprung Street Clutch Kit is ideal for high-horsepower AWD vehicles and unites uncompromised pedal feel, durabilit...

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