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2015-2021 WRX STI Mods

ETS Muffled Non-Resonated Polished Tips 2015-2021 WRX/STI

Original price $1,395.00 - Original price $1,395.00
Original price
$1,395.00
$1,395.00 - $1,395.00
Current price $1,395.00

The ETS Catback exhaust for the 2015-2021 Subaru WRX and STI is a made at ExtremeTurboSystem's facility in Vancouver, Washington. This exhaust feat...

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ETS Muffled Non-Resonated Burnt Tips 2015-2021 WRX/STI

Original price $1,395.00 - Original price $1,395.00
Original price
$1,395.00
$1,395.00 - $1,395.00
Current price $1,395.00

The ETS Catback exhaust for the 2015-2021 Subaru WRX and STI is a made at ExtremeTurboSystem's facility in Vancouver, Washington. This exhaust feat...

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ETS Muffled Non-Resonated Stealth Black Tips 2015-2021 WRX/STI

Original price $1,445.00 - Original price $1,445.00
Original price
$1,445.00
$1,445.00 - $1,445.00
Current price $1,445.00

The ETS Catback exhaust for the 2015-2021 Subaru WRX and STI is a made at ExtremeTurboSystem's facility in Vancouver, Washington. This exhaust feat...

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ETS Muffled Resonated Stealth Black Tips 2015-2021 WRX/STI

Original price $1,545.00 - Original price $1,545.00
Original price
$1,545.00
$1,545.00 - $1,545.00
Current price $1,545.00

The ETS Catback exhaust for the 2015-2021 Subaru WRX and STI is a made at ExtremeTurboSystem's facility in Vancouver, Washington. This exhaust feat...

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ETS Muffled Resonated Polished Tips 2015-2021 WRX/STI

Original price $1,495.00 - Original price $1,495.00
Original price
$1,495.00
$1,495.00 - $1,495.00
Current price $1,495.00

The ETS Catback exhaust for the 2015-2021 Subaru WRX and STI is a made at ExtremeTurboSystem's facility in Vancouver, Washington. This exhaust feat...

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ETS Muffled Resonated Burnt Tips 2015-2021 WRX/STI

Original price $1,495.00 - Original price $1,495.00
Original price
$1,495.00
$1,495.00 - $1,495.00
Current price $1,495.00

The ETS Catback exhaust for the 2015-2021 Subaru WRX and STI is a made at ExtremeTurboSystem's facility in Vancouver, Washington. This exhaust feat...

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GrimmSpeed 3-Port Electronic Boost Control Solenoid 2015-2021 WRX

Original price $178.00
Original price $178.00 - Original price $178.00
Original price $178.00
Current price $144.18
$144.18 - $144.18
Current price $144.18

DESCRIPTION The GrimSpeed Electronic Boost Control Solenoid is one of GrimmSpeed's most utilized upgrades due to the durability, simplicity of use,...

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GrimmSpeed Electronic Boost Control Solenoid 3-Port 2008-2021 STI

Original price $136.00
Original price $136.00 - Original price $136.00
Original price $136.00
Current price $110.16
$110.16 - $110.16
Current price $110.16

DESCRIPTION The GrimmSpeed Electronic Boost Control Solenoid is one of GrimmSpeed's most utilized upgrades due to the durability, simplicity of use...

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Perrin Red Bypass Valve 2015-2021 WRX

Original price $278.00
Original price $278.00 - Original price $278.00
Original price $278.00
Current price $208.50
$208.50 - $208.50
Current price $208.50

Add horsepower, quicker response, and reliability with the PERRIN BOV/BPV. A must-have replacement for the leaky, slow responding, and plastic OEM...

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OLM LE Carbon Fiber MT Shifter Trim 2015-2021 WRX

Original price $119.00 - Original price $119.00
Original price
$119.00
$119.00 - $119.00
Current price $119.00

OLM LE Carbon Fiber MT Shifter Trim  Designed for Manuel Transmission models Complete replacement for silver OEM shifter trim. Built to OEM speci...

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ETS Gesi Catted Downpipe 2015-2021 WRX

Original price $1,195.00 - Original price $1,195.00
Original price
$1,195.00
$1,195.00 - $1,195.00
Current price $1,195.00

Features: 3.0" 304 Stainless Steel Construction 304 Stainless Steel Flanges CNC Mandrel Bent Direct Factory Replacement Supports over 800whp! Gen ...

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MSP Carbon Fiber Rain Guards 2015-2021 WRX/STI

Original price $369.00 - Original price $369.00
Original price
$369.00
$369.00 - $369.00
Current price $369.00

DESCRIPTION MSP has released their signature rain guards but finished in this stunning carbon fiber. These really are a show stopper and are super ...

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OLM Turn Signal Plug and Play Tap Harness Kit 2018-2021 WRX/STI

Original price $19.00 - Original price $19.00
Original price
$19.00
$19.00 - $19.00
Current price $19.00

DESCRIPTION The OLM Facelift Foglight Bezel Turn Signal Quick Connect Harness for LED Headlights is specifically engineered to complement OLM Facel...

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Diode Dynamics SS3 LED Sport Type Fog Light Kit 2015-2021 WRX/STI

Original price $379.95 - Original price $379.95
Original price
$379.95
$379.95 - $379.95
Current price $379.95

Features Direct replacement for Subaru WRX fog lamps SAE-compliant road-legal output Includes round bezel, for factory-style appearance Plug and ...

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Diode Dynamics SS3 LED Pro Type Fog Light Kit 2015-2021 WRX/STI

Original price $499.95 - Original price $499.95
Original price
$499.95
$499.95 - $499.95
Current price $499.95

Features Direct replacement for Subaru WRX fog lamps SAE-compliant road-legal output Includes round bezel, for factory-style appearance Plug and ...

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SubiSpeed Facelift JDM Style Sequential Turn + DRL Bezel 2018-2021 WRX / STI

Original price $189.00 - Original price $208.00
Original price
$189.00 - $208.00
$189.00 - $208.00
Current price $189.00

DESCRIPTION SubiSpeed introduces the Facelift JDM Style DRL Bezel, offering a unique opportunity to infuse JDM styling into your Subaru right h...

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SubiSpeed Carbon Wing Stiffener 2015-2021 WRX / STI

Original price $129.00
Original price $129.00 - Original price $129.00
Original price $129.00
Current price $103.20
$103.20 - $103.20
Current price $103.20

DESCRIPTION Enhance the aesthetics and performance of your vehicle with the SubiSpeed Carbon Fiber Wing Stiffener. This stylish addition not only a...

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ETS Titanium Intake Kit 2015-2021 STI

Original price $495.00 - Original price $495.00
Original price
$495.00
$495.00 - $495.00
Current price $495.00

The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most ...

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RaceSeng Black Front Tow Hook 2015-2017 WRX/STI

Original price $205.00
Original price $205.00 - Original price $205.00
Original price $205.00
Current price $174.25
$174.25 - $174.25
Current price $174.25

The Tug Tow Hook is a fully functional, track-ready tow hook. Designed with beautiful form and engineered to function. Available in black matte, gr...

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RaceSeng Black Front Tow Hook 2018-2021 WRX/STI

Original price $205.00
Original price $205.00 - Original price $205.00
Original price $205.00
Current price $174.25
$174.25 - $174.25
Current price $174.25

The Tug Tow Hook is a fully functional, track-ready tow hook. Designed with beautiful form and engineered to function. Available in black matte, gr...

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Injector Dynamics Fuel Injector USCAR to Denso Adapter

Original price $15.75 - Original price $15.75
Original price
$15.75
$15.75 - $15.75
Current price $15.75

Here, you are looking at the Injector Dynamics Fuel Injector PnP Adapter USCAR to Denso Adapter. This is available for separate purchase for those ...

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MSP M Style Carbon Fiber Mirror Covers 2015-2021 WRX/STI

Original price $249.00 - Original price $249.00
Original price
$249.00
$249.00 - $249.00
Current price $249.00

DESCRIPTION MSP Dry M Style Carbon Side Mirror Covers provide an enhanced, aerodynamic look for Subaru WRX / STI models from 2015-2021. MSP parts r...

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MSP Carbon Fiber Lower Front Bumper Cover 2018-2021 WRX/STI

Original price $499.00 - Original price $499.00
Original price
$499.00
$499.00 - $499.00
Current price $499.00

DESCRIPTION This MSP Dry Carbon Lower Front Bumper cover is the perfect upgrade for your 2015-2021 Subaru WRX/STI with a sleek, sporty look. MSP en...

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MSP A Style Carbon Fiber Rear Diffuser 2015-2021 WRX/STI

Original price $499.00 - Original price $499.00
Original price
$499.00
$499.00 - $499.00
Current price $499.00

DESCRIPTION The MSP A Style Carbon Fiber Rear Diffuser is designed to give your 2015-2021 WRX/STI an aggressive look. Its carbon fiber construction...

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MSP JDM Style Carbon Fiber Fog Light Bezels w/o Fog Light Hole 2018-2021 WRX / STI

Original price $499.00 - Original price $499.00
Original price
$499.00
$499.00 - $499.00
Current price $499.00

DESCRIPTION The MSP JDM Style Carbon Fiber Fog Light Bezels are designed to enhance the bold look of your 2018-2021 Subaru WRX / STI. Featuring a s...

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MSP JDM Style Carbon Fiber Fog Light Bezels w/ Fog Light Hole 2018-2021 WRX/STI

Original price $499.00 - Original price $499.00
Original price
$499.00
$499.00 - $499.00
Current price $499.00

DESCRIPTION The MSP JDM Style Carbon Fiber Fog Light Bezels are designed to enhance the bold look of your 2018-2021 Subaru WRX / STI. Featuring a s...

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APR Performance Gurney Flap 2015-2021 WRX/STI

Original price $150.00
Original price $150.00 - Original price $150.00
Original price $150.00
Current price $127.50
$127.50 - $127.50
Current price $127.50

***Fits Factory Spoiler Only**  These are super lightweight, made in carbon fiber using the pre-pregnated "dry" carbon process, and conform perfect...

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APR Performance Aerodynamic Kit 2015-2017 WRX/STI

Original price $2,279.00
Original price $2,279.00 - Original price $2,279.00
Original price $2,279.00
Current price $1,937.15
$1,937.15 - $1,937.15
Current price $1,937.15

The aerodynamic kit for the Subaru WRX/STI combines all the best aerodynamic upgrades into a single package. This package is designed to improve hi...

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IAG Spec Competition Clutch Triple Disc & Flywheel Kit 2004-2021 STI

Original price $2,399.99 - Original price $2,399.99
Original price
$2,399.99
$2,399.99 - $2,399.99
Current price $2,399.99

The IAG Spec Competition Clutch Triple Disc Clutch & Flywheel Kit is designed and developed for the 2004-21 Subaru STI 6 speed racing applicati...

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IAG EJ Competition Series Oil Pan Package 2002-2014 WRX / 2004-2021 STI

Original price $899.99 - Original price $899.99
Original price
$899.99
$899.99 - $899.99
Current price $899.99

IAG offers our V2 Oil Pickup, Competition Series Baffle and Windage Tray combined with our New Oil Pan finished in black as a complete package.Abou...

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IAG EJ Street Series Oil Pan Package 2002-2014 WRX / 2004-2021 STI

Original price $799.99 - Original price $799.99
Original price
$799.99
$799.99 - $799.99
Current price $799.99

IAG offers our V2 Oil Pickup, Street Series Baffle and Windage Tray combined with our New Oil Pan coated with a black finish as a complete package....

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IAG EJ Series Series Oil Pan Package 2002-2014 WRX / 2004-2021 STI

Original price $699.99 - Original price $699.99
Original price
$699.99
$699.99 - $699.99
Current price $699.99

IAG offers our V2 Oil Pickup, Street Series Baffle and Windage Tray combined with our New Oil Pan as a complete package.About Street Series EJ Oil ...

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IAG Unequal Length 3-Bolt Header & Up-Pipe 2002-2014 WRX/ 2004-2021 STI

Original price $849.99 - Original price $849.99
Original price
$849.99
$849.99 - $849.99
Current price $849.99

The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The hea...

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IAG EJ Street Series Oil Pan 2002-2014 WRX/ 2004-2021 STI

Original price $569.99 - Original price $569.99
Original price
$569.99
$569.99 - $569.99
Current price $569.99

The IAG Street Series Oil Pan for the Subaru WRX and STI is uniquely designed and CNC machined to suit a wide range of street and track application...

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IAG EJ Competition Series Oil Pan 2002-2014 WRX/ 2004-2021 STI

Original price $629.99 - Original price $629.99
Original price
$629.99
$629.99 - $629.99
Current price $629.99

The IAG Competition Series Oil Pan for the Subaru WRX and STI is uniquely designed and CNC machined to suit a wide range of street and track applic...

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IAG EJ Competition Series Oil Pan 2002-2014 WRX/ 2004-2021 STI

Original price $699.99 - Original price $699.99
Original price
$699.99
$699.99 - $699.99
Current price $699.99

The IAG Competition Series Oil Pan for the Subaru WRX and STI is uniquely designed and CNC machined to suit a wide range of street and track applic...

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If you own a Subaru WRX STI, you know you have the perfect platform to craft a masterpiece on wheels. At WRXDaily, we understand that every enthusiast has a vision, and we’re here to offer the WRX STI mods you need to bring yours to life. With products tailored to elevate performance, enhance style, and perfect handling, our curated selection puts endless possibilities at your fingertips. 

No matter what you need, our Subaru WRX STI modifications deliver quality and reliability you can trust. From high-performance upgrades to must-have Subaru STI accessories, we have everything you need to create a car that’s as bold and unique as your passion for driving. Own a 2018 WRX? We offer a variety of 2018 WRX parts designed to fit your specific model. 

With WRXDaily, your Subaru becomes a true reflection of your style and ambition. Browse our selection of WRX STI mods today and start your next build!