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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

    $299.99 - $299.99
    $299.99
    $299.99 - $299.99
    $299.99
      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

    $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

    $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 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

    $1,944.60 - $1,944.60
    $1,944.60
    $1,944.60 - $1,944.60
    $1,944.60
      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

    $2,098.95 - $2,098.95
    $2,098.95
    $2,098.95 - $2,098.95
    $2,098.95
      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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  • aFe Takeda Attack Stage-2 Pro Cold Air Intake System w/Pro DRY S Filter Media 2008-2014 WRX / 2008-2014 STI

    $350.00 - $350.00
    $350.00
    $350.00 - $350.00
    $350.00
      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

    $369.99 - $369.99
    $369.99
    $369.99 - $369.99
    $369.99
      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

    $369.99 - $369.99
    $369.99
    $369.99 - $369.99
    $369.99
      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

    $264.99 - $264.99
    $264.99
    $264.99 - $264.99
    $264.99
      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

    $2,598.00
    $2,598.00 - $2,598.00
    $2,598.00
    $2,104.00
    $2,104.00 - $2,104.00
    $2,104.00
      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

    $1,021.00
    $1,021.00 - $1,021.00
    $1,021.00
    $827.00
    $827.00 - $827.00
    $827.00
      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

    $155.94
    $155.94 - $155.94
    $155.94
    $147.99
    $147.99 - $147.99
    $147.99
      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

    $227.88
    $227.88 - $227.88
    $227.88
    $215.99
    $215.99 - $215.99
    $215.99
      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

    $143.94
    $143.94 - $143.94
    $143.94
    $136.99
    $136.99 - $136.99
    $136.99
      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

    $2,318.00
    $2,318.00 - $2,318.00
    $2,318.00
    $1,878.00
    $1,878.00 - $1,878.00
    $1,878.00
      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

    $2,377.00
    $2,377.00 - $2,377.00
    $2,377.00
    $1,925.00
    $1,925.00 - $1,925.00
    $1,925.00
      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...

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  • Sale Sale

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

    $2,527.00
    $2,527.00 - $2,527.00
    $2,527.00
    $2,047.00
    $2,047.00 - $2,047.00
    $2,047.00
      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...

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  • Sale Sale

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

    $2,586.00
    $2,586.00 - $2,586.00
    $2,586.00
    $2,095.00
    $2,095.00 - $2,095.00
    $2,095.00
      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...

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  • Sale Sale

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

    $2,527.00
    $2,527.00 - $2,527.00
    $2,527.00
    $2,047.00
    $2,047.00 - $2,047.00
    $2,047.00
      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

    $1,073.00
    $1,073.00 - $1,073.00
    $1,073.00
    $869.00
    $869.00 - $869.00
    $869.00
      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

    $964.00
    $964.00 - $964.00
    $964.00
    $781.00
    $781.00 - $781.00
    $781.00
      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

    $155.94
    $155.94 - $155.94
    $155.94
    $147.99
    $147.99 - $147.99
    $147.99
      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 Heavy Duty M/Race Rigid 6 Pad Clutch Kit 2004-2021 STI

    $986.00
    $986.00 - $986.00
    $986.00
    $799.00
    $799.00 - $799.00
    $799.00
      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

    $2,449.00
    $2,449.00 - $2,449.00
    $2,449.00
    $1,984.00
    $1,984.00 - $1,984.00
    $1,984.00
      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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