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2015-2021 WRX & STI Mods

AMS Performance Billet Shift Knob 2015-2026 WRX / 2004-2021 STI

$89.95
$89.95 - $89.95
$89.95
$89.95 - $89.95
$89.95

The AMS Performance Subaru WRX/STI 6-Speed Billet Shift Knob was designed for versatility and to aid in shifter feel while rowing gears. Made from ...

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Hawk HPS 5.0 Rear Brake Pads 2008-2021 WRX

$150.29
$150.29 - $150.29
$150.29
$166.99
$166.99 - $166.99
$166.99

DESCRIPTION The Hawk HPS 5.0 rear brake pads for the 2008–2021 WRX without EyeSight and equipped with steel calipers are designed to deliver strong...

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Hawk HPS 5.0 Rear Brake Pads 2004-2017 STI

$138.59
$138.59 - $138.59
$138.59
$153.99
$153.99 - $153.99
$153.99

DESCRIPTION The Hawk HPS 5.0 rear brake pads for the 2004–2017 STI deliver improved stopping power, better pedal feel, and increased resistance to ...

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Hawk HPS 5.0 Front Brake Pads 2004-2017 STI

$188.09
$188.09 - $188.09
$188.09
$208.99
$208.99 - $208.99
$208.99

DESCRIPTION The Hawk HPS 5.0 front brake pads for the 2004–2017 STI deliver stronger stopping power, improved pedal feel, and greater resistance to...

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OLM Halo LED DRL Fog Lights 2015-2021 WRX / 2015-2021 STI

$169.00
$169.00 - $169.00
$169.00
$169.00 - $169.00

DESCRIPTION The OLM LED / Halo DRL Fog Light Housings for the 2015+ WRX and 2015+ STI offer a clean, modern upgrade with bright LED output and an i...

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DBA SP500 Rear Brake Pads 2008-2021 WRX

$80.93
$80.93 - $80.93
$80.93
$95.64
$95.64 - $95.64
$95.64

DESCRIPTION Improve your Subaru WRX braking performance with the DBA SP500 Rear Brake Pads for 2008 to 2021 models. Designed for drivers who want e...

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Rotora Stainless Steel Rear Brake Lines 2008-2017 STI

$97.00
$97.00 - $97.00
$97.00
$97.00 - $97.00

DETAILS Here, you are looking at the Rotora Stainless Steel Rear Brake Lines for your 2008-2017 STI. Details:  Sold as a Pair Rear Fitment  A...

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StopTech Stainless Steel Rear Brake Lines 2008-2017 STI

$64.68
$64.68 - $64.68
$64.68
$64.68 - $64.68

DESCRIPTION Upgrade your Subaru STI braking performance with StopTech Stainless Steel Rear Brake Lines for 2008 to 2017 models. These high-quality ...

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MSP STI Style Gloss Black Rear Spats 2015-2021 WRX / 2015-2021 STI

$179.00
$179.00 - $179.00
$179.00
$179.00 - $179.00

DESCRIPTION Upgrade the rear-end styling of your Subaru with the MSP STI Style Gloss Black Rear Spats for the 2015–2021 Subaru WRX and 2015–2021 Su...

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MSP V1 Style Paint Matched Roof Spoiler 2015-2021 WRX / 2015-2021 STI

$199.00
$199.00 - $199.00
$199.00
$249.00
$249.00 - $249.00
$249.00

DESCRIPTION Attaching to your glass in seconds, this roof spoiler offers a quick and hassle-free way to change the look of your vehicle. With the p...

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Muteki Titanium SR48 Open Ended Lug Nuts M12x1.25

$138.00
$138.00 - $138.00
$138.00
$138.00 - $138.00

DESCRIPTION The Muteki SR48 Titanium Open Ended Lug Nuts (12x1.25 thread pitch) are designed for both form and function. This 20-piece set is built...

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Perrin Driveshaft Lockdown Kit 2008-2026 WRX / 2008-2021 STI

$129.20
$129.20 - $129.20
$129.20
$152.00
$152.00 - $152.00
$152.00

DESCRIPTION The PERRIN Driveshaft Lockdown Kit is designed to replace the OEM rubber bushings that allow unwanted driveshaft movement under hard ac...

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Process West Black Verticooler Top Mount Intercooler Kit 2015-2021 WRX

$1,103.44
$1,103.44 - $1,103.44
$1,103.44
$1,103.44 - $1,103.44

DESCRIPTION Taking a fresh approach formed from years of motorsport and component design experience, Process West proudly introduces the Verti-Cool...

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Diode Dynamics SS3 LED Max Type Fog Light Kit 2015-2021 WRX / 2015-2017 STI

$699.95
$699.95 - $699.95
$699.95
$699.95 - $699.95

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

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Mishimoto Performance Aluminum Radiator 2008-2014 WRX/ 2008-2021 STI

$349.95
$349.95 - $349.95
$349.95
$385.00
$385.00 - $385.00
$385.00

DESCRIPTION Keep your Subaru WRX/STI running cool and performing at its peak with the Mishimoto Performance Aluminum Radiator. Designed to improve ...

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Mishimoto Performance Aluminum Radiator 2015-2021 WRX

$443.95
$443.95 - $443.95
$443.95
$488.00
$488.00 - $488.00
$488.00

DESCRIPTION The Mishimoto 2015-2021 Subaru WRX Performance Aluminum Radiator is designed and engineered to reduce coolant temperatures by -202120 D...

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COBB Redline Intake Replacement Filter 2015-2021 STI

$75.00
$75.00 - $75.00
$75.00
$75.00 - $75.00

Description This replacement filter can be used for the following intake system.Subaru Redline Carbon Fiber Intake 2015-2020 STI Why? The...

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COBB Can Fuel Pressure Sensor Kit 2015-2021 WRX

$275.00
$275.00 - $275.00
$275.00
$275.00 - $275.00

Emissions This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing resul...

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Revel GT Dry Carbon Steering Wheel Covers 2016-2018 WRX / 2016-2018 STI

$228.00
$228.00 - $228.00
$228.00
$240.00
$240.00 - $240.00
$240.00

ENHANCE INTERIOR Enhance the look of the interior with perfectly fitted dry carbon overlays. Using various methods of extensive testing for eac...

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GrimmSpeed Black Radiator Hose Kit 2015-2021 WRX

$119.00
$119.00 - $119.00
$119.00
$119.00 - $119.00

DESCRIPTION The GrimmSpeed Black Radiator Hose Kit was manufactured using a 5-ply construction system with fiber reinforcement between each layer ...

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GrimmSpeed 3" Downpipe to OEM Catback Adapter 2002-2021 WRX / 2004-2021 STI

$63.00
$63.00 - $63.00
$63.00
$63.00 - $63.00

A perfect solution to pesky problems - it's what you expect from GrimmSpeed! Exhaust leaks seem to be an all-too-common issue with most modded Suba...

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Perrin 7mm Wheel Spacers 5x114.3 / 5x100 2002-2026 WRX / 2004-2021 STI

$169.15
$169.15 - $169.15
$169.15
$199.00
$199.00 - $199.00
$199.00

PERRIN Wheel Spacers move your wheels and tires outwards so they are more flush with the fender--instantly give your vehicle the perfect stance. Fo...

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Perrin Neon Yellow Fender Shrouds 2015-2021 WRX / 2015-2021 STI

$156.40
$156.40 - $156.40
$156.40
$184.00
$184.00 - $184.00
$184.00

COMPLETE THE LOOK Matching Perrin's signature pulley cover design, the angled cutouts look great while concealing the factory fender gap.  DESIGN P...

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Hawk HPS Rear Brake Pads 2008-2021 WRX

$141.29
$141.29 - $141.29
$141.29
$156.99
$156.99 - $156.99
$156.99

The High-Performance Street compound offers a higher coefficient of friction over stock brake pads and can provide you 20-40% more stopping power a...

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COBB Redline Intake Replacement Air Filter 2015-2021 WRX

$85.00
$85.00 - $85.00
$85.00
$85.00 - $85.00

Description This replacement filter can be used with the following intake systems.Subaru SF Intake System WRX 2015-2021Audi / Volkswagen Redlin...

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COBB Air Oil Separator 2015-2021 WRX

$610.00
$610.00 - $610.00
$610.00
$610.00 - $610.00

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the...

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Perrin Red Pulley Cover 2015-2021 WRX

$149.60
$149.60 - $149.60
$149.60
$176.00
$176.00 - $176.00
$176.00

Accessorize the top of your engine and the pulleys with the PERRIN Belt Cover. Choose Red, Black, Neon Yellow, or Hyper Pink to accent your engine ...

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Perrin Black Turbo Inlet Hose 2015-2021 WRX

$191.25
$191.25 - $191.25
$191.25
$225.00
$225.00 - $225.00
$225.00

The PERRIN Turbo Inlet Hose will increase airflow to the engine, increasing horsepower while adding a touch of color and style to your engine bay....

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Process West Intake Manifold w/ Port Injection 2015-2021 WRX

$2,087.70
$2,087.70 - $2,087.70
$2,087.70
$2,087.70 - $2,087.70

Designed for the MY15+ FA20DIT WRX the Process West ‘DITTO’ (Direct Injection Tubular Original) compromises a mix of billet plenum and cast large b...

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AMS Performance Front Mount Intercooler Kit 2015-2021 WRX

$1,199.90 - $1,699.85
$1,199.90 - $1,699.85
$1,199.90
$1,199.90 - $1,699.85

Whether you live in a hot climate region, enjoy drag racing, or long high speed pulls on airstrips the 2015-2021 Subaru WRX Front Mount Intercooler...

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Perrin Black Rear Strut Tower Bar 2015-2021 WRX / 2015-2021 STI

$199.75
$199.75 - $199.75
$199.75
$235.00
$235.00 - $235.00
$235.00

Enhance chassis rigidity and improve steering precision with the ultra-strong PERRIN Rear Shock Tower Brace.  PERFORMANCE During cornering, the Pe...

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Silvers NEOMAX Super Low Coilovers 2015-2021 WRX/STI

$1,399.00
$1,399.00 - $1,399.00
$1,399.00
$1,399.00 - $1,399.00

Adjustable T6 6061 front camber plates on all applicable McPherson style applications. Koyo Japan Radial Bearing upper spring perch standard on al...

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COBB EJ Turbo Blanket 2002-2014 WRX / 2004-2021 STI

$195.00
$195.00 - $195.00
$195.00
$195.00 - $195.00

Description The COBB Turbo Blanket is designed to limit the amount of heat that is transferred from your turbocharger to your engine bay as wel...

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COBB SF Intake System + Airbox 2015-2018 STI

$540.00
$540.00 - $540.00
$540.00
$540.00 - $540.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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GrimmSpeed Front Mount Intercooler Kit 2015-2021 WRX

$1,639.00 - $1,749.00
$1,639.00 - $1,749.00
$1,639.00
$1,639.00 - $1,749.00

DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit from GrimmSpeed has been designed with a great balance of low-pressure drop and high-tempera...

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COBB Front Roll Center Bump Steer Kit 2008-2021 WRX / 2008-2021 STI

$295.00
$295.00 - $295.00
$295.00
$295.00 - $295.00

Description This kit has been designed to raise the roll-center geometry for those with lowered vehicles. This will improve the overall front s...

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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!