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2015-2021 WRX & STI Mods

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Koyorad Aluminum Racing Radiator 2008-2021 WRX / 2008-2021 STI

$424.18
$424.18 - $424.18
$424.18
$565.60
$565.60 - $565.60
$565.60

The Hyper V-Core Series is the newest to the Koyorad | Koyo All Aluminum Racing Radiator line up. An engine's cooling system in many newer vehicles...

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Motul 8100 X-Cess Gen2 5W-40 Engine Oil Change Kit 2002-2014 WRX / 2004-2021 STI

$86.43 - $103.93
$86.43 - $103.93
$86.43
$83.51 - $102.95
$83.51

The Motul 8100 X-Cess Gen2 5W-40 Engine Oil Change Kit is an easy, convenient solution for engine oil changes! It comes with everything you need fo...

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OLM OE Style Mirror Replacements w/ Turn Signal Cutout 2015-2021 WRX / 2015-2021 STI

$115.00
$115.00 - $115.00
$115.00
$115.00 - $115.00

The OLM OE Style Paint Matched Mirror Cover with Turn Signal Cutouts are a great touch for anyone who wants their 2015-2021 Subaru WRX/STI to be un...

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GrimmSpeed 2 Bolt Ceramic Coated Up-Pipe 2002-2014 WRX / 2004-2021 STI

$319.00
$319.00 - $319.00
$319.00
$319.00 - $319.00

EMISSIONS SEMA Certified - SC -GRM01-0145 for listed fitments CARB Certified - EO - #D-896 for listed fitments A top of the line Up-Pipe built to ...

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IBR Flex Fuel Sensor Kit 2008-2021 WRX / 2007-2021 STI

$599.99
$599.99 - $599.99
$599.99
$599.99 - $599.99

This kit is designed to provide a way to data log and monitor the ethanol content of fuel on most new Subaru Vehicles. Our proprietary controller r...

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MSP V3 Style Carbon Fiber Roof Spoiler 2015-2021 WRX / 2015-2021 STI

$199.00
$199.00 - $199.00
$199.00
$199.00 - $199.00

DESCRIPTION The MSP Carbon Fiber Roof Spoiler V3 was designed to be an easy addition to your roof/rear window. For those looking to accent carbon ...

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OLM Clear Black Turn Signal Housings 2015-2021 WRX / 2015-2017 STI

$89.00
$89.00 - $89.00
$89.00
$89.00 - $89.00

DESCRIPTION The OLM Turn Signal Housings provide a complete replacement solution for your WRX or STI front turn signals. These housings have a lens...

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OLM Carbon Fiber E-Brake Replacement Handle 2015-2021 WRX / 2015-2021 STI

$89.00
$89.00 - $89.00
$89.00
$89.00 - $89.00

DESCRIPTION Replacing your e-brake handle is a breeze with the OLM Carbon eBrake Handle. This package includes all the necessary hardware and an al...

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COBB x WeatherTech Rear Floorliner 2015-2021 WRX / 2015-2021 STI

$94.95
$94.95 - $94.95
$94.95
$94.95 - $94.95

Description FloorLiner In the quest for the most advanced concept in floor protection, the talented designers and engineers at WeatherTech have...

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OLM S207 Style Paint Matched Rear Bumper Vent Inserts 2015-2021 WRX / 2015-2021 STI

$199.00
$199.00 - $199.00
$199.00
$199.00 - $199.00

DESCRIPTION Get the S207 treatment for your vehicle, even if it never made it to US shores. Paint matched in factory colors, these vents can easily...

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Perrin License Plate Relocation Kit 2018-2021 WRX / 2018-2021 STI

$89.25
$89.25 - $89.25
$89.25
$105.00
$105.00 - $105.00
$105.00

Relocate your front license plate with the PERRIN Front License Plate Relocate for a modified look and better airflow to radiators and intercool...

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OLM CS Style Carbon Fiber Rear Spats 2015-2021 WRX / 2015-2021 STI

$225.00
$225.00 - $225.00
$225.00
$225.00 - $225.00

DESCRIPTION Carbon fiber body parts attract a lot of attention and rightfully so. These parts require no additional sanding or painting to mount. Y...

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OLM Dry Carbon Fiber Lower Bumper Cover 2018-2021 WRX/STI

$549.00
$549.00 - $549.00
$549.00
$549.00 - $549.00

DESCRIPTION Make the front end of either your Subaru WRX or STI better looking and more aggressive with the OLM LE Dry Carbon Fiber Lower Bumper Co...

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SubiSpeed Smoked JDM Style Sequential Tail Lights 2015-2021 WRX / 2015-2021 STI

$629.00
$629.00 - $629.00
$629.00
$629.00 - $629.00

DESCRIPTION Discover the SubiSpeed JDM Sequential Tail Lights, a premium and personalized tail light crafted to enhance the visual appeal of your v...

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ETS Gesi Catted Downpipe 2015-2021 WRX

$1,195.00
$1,195.00 - $1,195.00
$1,195.00
$1,195.00 - $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 Suede Steering Wheel 2015-2021 WRX / 2015-2021 STI

$399.00
$399.00 - $399.00
$399.00
$399.00 - $399.00

DESCRIPTION Introducing the MSP Suede Steering Wheel for the 2015-2021 Subaru WRX & STI! This steering wheel has been designed with an OEM+ app...

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MSP V Style Carbon Fiber Trunk Spoiler 2015-2021 WRX / 2015-2021 STI

$299.00
$299.00 - $299.00
$299.00
$299.00 - $299.00

DESCRIPTION Enhance your ride's look with the MSP V Style Carbon Fiber Duckbill Trunk Spoiler. Made from carbon fiber and designed for the 2015-202...

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OLM Spec CR Sequential LED Tail Lights Smoked Lens 2015-2021 WRX / 2015-2021 STI

$429.00
$429.00 - $429.00
$429.00
$429.00 - $429.00

DESCRIPTION The OLM Spec CR Sequential LED Tail Lights for the 2015-2021 WRX/STI flip the stock taillights on their head with a reverse C-clamp LED...

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COBB SF Stage 1+ Power Package 2015-2021 WRX

$1,103.00
$1,103.00 - $1,103.00
$1,103.00
$1,180.00
$1,180.00 - $1,180.00
$1,180.00

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 20mm Wheel Spacers 5x114.3 2015-2026 WRX / 2005-2021 STI

$219.30
$219.30 - $219.30
$219.30
$258.00
$258.00 - $258.00
$258.00

PERRIN Wheel Spacers move your wheels and tires outward for a more flush fitment and the perfect stance. Designed for vehicles with a 5x114.3 wheel...

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OLM Hikari Series LED Headlights 2015-2021 WRX / 2015-2021 STI

$699.00
$699.00 - $699.00
$699.00
$699.00 - $699.00

DESCRIPTION The OLM Hikari Series LED Headlights offer a bold statement with their ultra-modern LED lamps, drawing inspiration from high-end vehicl...

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Spec-D Tuning Smoke Lens Switchback Sequential LED Headlights 2015-2021 WRX / 2015-2021 STI

$449.00
$449.00 - $449.00
$449.00
$449.00 - $449.00

DESCRIPTION The Spec-D Tuning Sequential LED Headlights are one of the most popular headlights on the market. Spec-D designed these headlights to g...

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OLM LED Nightseeker Fog Lights 2015-2021 WRX / 2015-2021 STI

$159.00
$159.00 - $159.00
$159.00
$159.00 - $159.00

DESCRIPTION The OLM LED Nightseeker fog lights are direct replacement for many Subaru vehicles. Change out your stock halogen, low output lamp for ...

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AEM 340LPH E85 High Flow Fuel Pump 2008-2014 WRX / 2008-2021 STI

$155.95
$155.95 - $155.95
$155.95
$175.95
$175.95 - $175.95
$175.95

AEM's 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity chara...

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Whiteline 22mm Adjustable Rear Sway Bar 2008-2021 WRX / 2008-2021 STI

$263.16
$263.16 - $263.16
$263.16
$350.88
$350.88 - $350.88
$350.88

Engineered to 'Activate More Grip', sway bars are principally designed to reduce body roll or sway. By reducing body roll, lateral loads are sprea...

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MSP Carbon Fiber Front Grille 2015-2017 WRX / 2015-2017 STI

$399.00
$399.00 - $399.00
$399.00
$399.00 - $399.00

DESCRIPTION The MSP Carbon Fiber Front Grille is a stylish upgrade for your WRX/STI. This piece was designed with durable wire meshing to keep bugs...

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Subaru OEM Crossbar Set 2018-2021 WRX / 2018-2021 STI

$199.95
$199.95 - $199.95
$199.95
$199.95 - $199.95

Increase your vehicle’s cargo-carrying capabilities by adding a crossbar set. These fixed-style crossbars can be installed or removed in minutes. M...

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GrimmSpeed Red Charge Pipe Kit 2015-2021 WRX

$319.00
$319.00 - $319.00
$319.00
$319.00 - $319.00

EMISSIONS CARB Certified - EO - #D-896-3 for listed fitments The GrimmSpeed Charge Pipe Kit replaces the restrictive stock plastic unit on the FA2...

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IAG Neon Yellow Street Series Air Oil Separator 2008-2014 WRX / 2008-2021 STI

$499.99
$499.99 - $499.99
$499.99
$499.99 - $499.99

SAFEGUARD YOUR SUBARU The IAG Performance Air / Oil Separator (AOS) is a smart upgrade for your Subaru. Developed through years of meticul...

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Whiteline Adjustable Rear Lower Control Arms 2008-2026 WRX / 2008-2021 STI

$268.41
$268.41 - $268.41
$268.41
$357.88
$357.88 - $357.88
$357.88

Adjustable lower control arms feature a light weight (1.72kg/3.8lbs per complete arm) stamped steel design. Adjusts via cam bolt and eccentric bus...

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GrimmSpeed Red Stealthbox Intake 2015-2021 WRX

$425.00
$425.00 - $425.00
$425.00
$425.00 - $425.00

DESCRIPTION The GrimmSpeed Red StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide t...

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MSP Carbon Fiber Lower MFD Replacement 2015-2021 WRX / 2015-2021 STI

$269.00
$269.00 - $269.00
$269.00
$269.00 - $269.00

DESCRIPTION The MSP Carbon Fiber Lower MFD Replacement stands out in your vehicle. Mounting right above your head unit this trim piece is a direct ...

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MSP Carbon Fiber Cup Holder Replacement 2008-2021 STI

$279.00
$279.00 - $279.00
$279.00
$279.00 - $279.00

DESCRIPTION The MSP carbon fiber cup holders replacements are an affordable and dramatic improvement over OEM. The install is straight forward and ...

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GrimmSpeed Stock Downpipe to Aftermarket 3" Catback Adapter 2002-2026 WRX/ 2004-2021 STI

$62.00
$62.00 - $62.00
$62.00
$62.00 - $62.00

DESCRIPTION The Grimmspeed OEM Downpipe To 3-Inch Cat-Back Adapter is very popular for those of you who are retaining the stock downpipe and need t...

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Grimmspeed Turbo to J-Pipe Gasket 2015-2021 WRX

$28.00
$28.00 - $28.00
$28.00
$28.00 - $28.00

DESCRIPTION The Grimmspeed Turbo to J-Pipe Gasket is a multi-layer stainless steel gasket designed to provide an optimal seal between the turbochar...

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OLM Carbon Fiber Hood Struts 2015-2021 WRX / 2015-2021 STI

$109.00
$109.00 - $109.00
$109.00
$109.00 - $109.00

DESCRIPTION Add a little style to your hood struts by swapping them for these OLM Carbon Fiber Hood Struts. This piece offers the same OE style and...

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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!