Skip to content
CHRISTMAS SAVINGS ARE LIVE!
CHRISTMAS SAVINGS ARE LIVE!

2015-2021 WRX STI Mods

OLM S208 Style Carbon Fiber Front Lip 2015-2017 WRX/STI

$519.00 - $519.00
$519.00
$519.00 - $519.00
$519.00

DESCRIPTION The OLM S208 style lip represents bringing JDM styling to the United States in an affordable form. Precision manufacturing and attentio...

View full details

OLM CS Style Carbon Fiber Front Lip 2018-2021 WRX/STI

$525.00 - $525.00
$525.00
$525.00 - $525.00
$525.00

DESCRIPTION Bringing the Japanese styling to the United States at a lower price point, this lip is a great add on for any 2018-2021 WRX or STI. Top...

View full details

OLM DM Style Carbon Fiber Side Skirts 2015-2021 WRX/STI

$539.00 - $539.00
$539.00
$539.00 - $539.00
$539.00

DESCRIPTION Carbon fiber body parts attract a lot of attention and rightfully so. These OLM DM Style Carbon Fiber Side Skirts require no addition...

View full details

OLM JDM Style Carbon Fiber Front Lip 2018-2021 WRX/STI

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

DESCRIPTION The OLM JDM Style Carbon Fiber Front Lip represents bringing JDM styling to the United States in an affordable form. Precision manufact...

View full details

OLM CS Style Carbon Fiber Side Skirts 2015-2021 WRX/STI

$559.00 - $559.00
$559.00
$559.00 - $559.00
$559.00

DESCRIPTION Sporty and sleek, OLM's CS style side skirts extend past the OEM side skirt, enhancing its aesthetic appeal. Crafted from durable fiber...

View full details

OLM Evolution Tail Lights 2015-2021 WRX/STI

$579.00 - $579.00
$579.00
$579.00 - $579.00
$579.00

DESCRIPTION A fresh new take on the VA tail light design from the 2015 WRX/STI, the OLM Evo tail lights breathe new light into a classic design. 5...

View full details

OLM LE Dry Carbon Fiber Rear Diffuser 2015-2021 WRX/STI

$749.00 - $749.00
$749.00
$749.00 - $749.00
$749.00

DESCRIPTION Upgrade the rear end of your 2015-2021 WRX or STI with the OLM Carbon Fiber Rear Diffuser. This sleek and aggressive addition improves ...

View full details

OLM Carbon Fiber OEM STI Style Spoiler 2015-2021 WRX/STI

$929.00 - $929.00
$929.00
$929.00 - $929.00
$929.00

DESCRIPTION This OLM Carbon Fiber OEM STI Style Spoiler with carbon fiber bases is a piece that is sure to turn heads. This is a sleek upgrade for ...

View full details

OLM Half Carbon VA Style Rear Diffuser 2015-2021 WRX/STI

$979.00 - $979.00
$979.00
$979.00 - $979.00
$979.00

DESCRIPTION If you feel like you're blending in a little too much when you're cruising in your Subie, the the OLM Half Carbon VA Style Rear Diffuse...

View full details

Boomba Short Throw Shifter 2015+ WRX

$240.35 - $240.35
$240.35
$240.35 - $240.35
$240.35

This short shift lever is built for performance without compromising comfort. It installs easily, replacing the OEM shift lever on your Subaru WRX ...

View full details

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...

View full details
Save 20% Save %

Varis Widebody Aero Kit 2015-2021 WRX/STI

$10,335.00
$10,335.00 - $10,335.00
$10,335.00
$8,268.00
$8,268.00 - $8,268.00
$8,268.00

WIDEBODY FULL KIT B:* FRONT BUMPER (FRP) + FRONT LIP (CARBON) *2PCS* FRONT FENDER ONE SIDE 60MM WIDE (FRP) *4PCS* SIDE SKIRT (FRP) ＋ BIG UNDER BOAR...

View full details

KW Club Sport Coilover Kit 2015-2021 WRX/STI

$5,584.00 - $5,584.00
$5,584.00
$5,584.00 - $5,584.00
$5,584.00

The KW Clubsport coilovers combine KW's high-end racing technology with maintenance-free KW OEM components and TÜV certificate. This will provide y...

View full details

KW Variant 3 Coilover Kit 2015-2021 WRX/STI

$3,894.00 - $3,894.00
$3,894.00
$3,894.00 - $3,894.00
$3,894.00

If you require the absolute pinnacle of suspension technology, the KW Variant 3 coilover system is for you. Variant 3 coilovers take KW innovation ...

View full details

KW Variant 1 Coilover Kit 2015-2021 WRX/STI

$2,414.00 - $2,414.00
$2,414.00
$2,414.00 - $2,414.00
$2,414.00

The KW coilover kit Variant 1 "inox-line" is our entry model for more driving pleasure with an attractive and individually adjustable lowering. Due...

View full details
Save 10% Save %

GrimmSpeed Stage 1 Power Package 2015-2021 WRX

$539.00
$539.00 - $539.00
$539.00
$485.10
$485.10 - $485.10
$485.10

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

View full details
Save up to 10% Save %

GrimmSpeed Top Mount Intercooler Kit 2015-2021 WRX

$899.00 - $999.00
$899.00 - $999.00
$899.00
$809.10 - $899.10
$809.10 - $899.10
$809.10

DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...

View full details
Save 10% Save %

GrimmSpeed Equal Length Headers 2015-2021 WRX

$944.00
$944.00 - $944.00
$944.00
$849.60
$849.60 - $849.60
$849.60

DESCRIPTION The GrimmSpeed Equal Length Header has been designed to provide the turbocharger with an uninterrupted flow of exhaust gases to greatly...

View full details
Save up to 10% Save %

GrimmSpeed Front Mount Intercooler Kit 2015-2021 WRX

$1,639.00 - $1,749.00
$1,639.00 - $1,749.00
$1,639.00
$1,475.10 - $1,574.10
$1,475.10 - $1,574.10
$1,475.10

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

View full details

Remark Sports Touring Catback 2015-2021 WRX/STI

$1,395.00 - $1,595.00
$1,395.00 - $1,595.00
$1,395.00 - $1,595.00
$1,395.00

Part Number RK-C4076S-01 Non-Res Stainless Steel RK-C4076S-01C Resonated Stainless Steel RK-C4076S-01T Non-Res Burnt Stainless RK-C407...

View full details
Save 10% Save %

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

$279.00
$279.00 - $279.00
$279.00
$251.10
$251.10 - $251.10
$251.10

DESCRIPTION We designed this up pipe using our in-house FARO Arm along with the latest and greatest Solidworks CAD Software. This assures that we c...

View full details
Save 10% Save %

GrimmSpeed Red Stealthbox Intake 2015-2021 STI

$359.00
$359.00 - $359.00
$359.00
$323.10
$323.10 - $323.10
$323.10

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

View full details
Save 10% Save %

GrimmSpeed Stage 1 Power Package 2015-2021 STI

$449.00
$449.00 - $449.00
$449.00
$404.10
$404.10 - $404.10
$404.10

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

View full details
Save up to 10% Save %

GrimmSpeed Top Mount Intercooler Kit 2002-2007 WRX / 2004-2021 STI

$749.00 - $799.00
$749.00 - $799.00
$749.00
$674.10 - $719.10
$674.10 - $719.10
$674.10

DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...

View full details
Save 10% Save %

GrimmSpeed Un-Resonated Catback 2011-2021 WRX/STI

$1,419.00
$1,419.00 - $1,419.00
$1,419.00
$1,277.10
$1,277.10 - $1,277.10
$1,277.10

DESCRIPTION The GrimmSpeed Cat-Back Exhaust System has combined premium materials, along with a larger piping diameter and smooth bends to provide ...

View full details
Save 10% Save %

GrimmSpeed Overtake BB500 Turbocharger Kit 2008-2014 WRX / 2004-2021 STI

$1,999.00
$1,999.00 - $1,999.00
$1,999.00
$1,799.10
$1,799.10 - $1,799.10
$1,799.10

DESCRIPTION GrimmSpeed's new Overtake BB500 Turbocharger is another powerful turbocharger designed by GrimmSpeed. The Overtake Ball-Bearing 500-Ser...

View full details
Save 10% Save %

GrimmSpeed Resonated Catback 2011-2021 WRX/STI

$1,532.00
$1,532.00 - $1,532.00
$1,532.00
$1,378.80
$1,378.80 - $1,378.80
$1,378.80

DESCRIPTION The GrimmSpeed Cat-Back Exhaust System has combined premium materials, along with a larger piping diameter and smooth bends to provide ...

View full details
Save up to 10% Save %

GrimmSpeed Front Mount Intercooler Kit 2015-2021 STI

$1,639.00 - $1,749.00
$1,639.00 - $1,749.00
$1,639.00
$1,475.10 - $1,574.10
$1,475.10 - $1,574.10
$1,475.10

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

View full details
Save up to 15% Save %

Forced Performance Blue Turbocharger 2015-2021 WRX

$1,899.00 - $2,199.00
$1,899.00 - $2,199.00
$1,899.00
$1,614.15 - $1,869.15
$1,614.15 - $1,869.15
$1,614.15

Subaru FA20 Blue Compressor wheel - 73HTZ Flow rating - 57LB per minute CW Measurements - 52.6MM Inducer / 73MM Exducer TW Measurements - 60.8MM I...

View full details
Save up to 10% Save %

Forced Performance XR Red 79HTZ Turbocharger 2002-2007 WRX / 2004-2021 STI

$2,899.00 - $2,999.00
$2,899.00 - $2,999.00
$2,899.00
$2,609.10 - $2,699.10
$2,609.10 - $2,699.10
$2,609.10

XR Red   Compressor wheel - 79HTZ Flow rating - 65LB per minute CW Measurements - 57MM Inducer / 79MM Exducer TW Measurements - 67.7MM Inducer / 6...

View full details
Save up to 10% Save %

Forced Performance XR Blue 73HTZ Turbocharger 2002-2007 WRX / 2004-2021 STI

$2,699.00 - $2,999.00
$2,699.00 - $2,999.00
$2,699.00
$2,429.10 - $2,699.10
$2,429.10 - $2,699.10
$2,429.10

XR Blue™   Compressor wheel - 73HTZ™ Flow rating - 57LB per minute CW Measurements - 52.6MM Inducer / 73MM Exducer TW Measurements - 60.8MM Induc...

View full details
Save up to 10% Save %

Forced Performance XR Black 82HTZ Turbocharger 2002-2007 WRX / 2004-2021 STI

$2,899.00 - $2,999.00
$2,899.00 - $2,999.00
$2,899.00
$2,609.10 - $2,699.10
$2,609.10 - $2,699.10
$2,609.10

New for 2020! All FP Black model turbos will come standard with a black coated compressor cover!   Compressor wheel - 82HTZ Flow rating - 71LB per...

View full details
Save up to 10% Save %

Forced Performance Red Turbocharger 2002-2007 WRX / 2004-2021 STI

$1,499.00 - $1,899.00
$1,499.00 - $1,899.00
$1,499.00
$1,349.10 - $1,709.10
$1,349.10 - $1,709.10
$1,349.10

Oil supply line and gasket set included! FP Red Compressor wheel - HTZ 79 Flow rating - 65LB per minute CW Measurements - 57.3MM Inducer / 79MM Ex...

View full details
Save up to 10% Save %

Forced Performance Black Turbocharger 2002-2007 WRX / 2004-2021 STI

$1,629.00 - $2,046.00
$1,629.00 - $2,046.00
$1,629.00
$1,466.10 - $1,841.40
$1,466.10 - $1,841.40
$1,466.10

FP Black HTZ Compressor wheel - 82HTZ Flow rating - 71LB per minute CW Measurements - 59.1MM Inducer / 82MM Exducer TW Measurements - 67.3MM ...

View full details
Save 10% Save %

Grimmspeed Turbo to J-Pipe Gasket 2015-2021 WRX

$31.00
$31.00 - $31.00
$31.00
$27.90
$27.90 - $27.90
$27.90

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

View full details
Save 10% Save %

GrimmSpeed J-Pipe Hardware Kit 2015-2021 WRX

$52.00
$52.00 - $52.00
$52.00
$46.80
$46.80 - $46.80
$46.80

DESCRIPTION The turbo studs on the FA turbo motors are notoriously difficult to deal with. If you're lucky enough to get the nuts off without drama...

View full details

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!