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2015-2021 WRX STI Mods

GrimmSpeed Stage 1 Power Package 2015-2021 WRX

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

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

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GrimmSpeed Stage 1 Power Package 2015-2021 STI

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

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

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COBB Tuning SF Stage 1+ Power Package 2015-2021 WRX

$1,180.00 - $1,180.00
$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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COBB Tuning Redline Stage 1 + Carbon Fiber Power Package 2015-2021 WRX

$1,505.00 - $1,505.00
$1,505.00
$1,505.00 - $1,505.00
$1,505.00

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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COBB Tuning Stage 1+ Power Package 2015-2018 STI

$1,265.00 - $1,265.00
$1,265.00
$1,265.00 - $1,265.00
$1,265.00

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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COBB Tuning Stage 1+ Redline Carbon Fiber Power Package 2015-2021 STI

$1,485.00 - $1,485.00
$1,485.00
$1,485.00 - $1,485.00
$1,485.00

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 ma...

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COBB Tuning Stage 1+ Power Package 2019-2021 STI

$1,315.00 - $1,315.00
$1,315.00
$1,315.00 - $1,315.00
$1,315.00

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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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!