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CHRISTMAS SAVINGS ARE LIVE!

2015-2021 WRX STI Mods

Process West Intake Manifold Street Version 2002-2014 WRX / 2004-2021 STI

$2,247.00 - $2,247.00
$2,247.00
$2,247.00 - $2,247.00
$2,247.00

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

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Process West Black Intake Manifold Street Version 2002-2014 WRX / 2004-2021 STI

$2,333.00 - $2,333.00
$2,333.00
$2,333.00 - $2,333.00
$2,333.00

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

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Process West Intake Manifold Track Version 2002-2014 WRX / 2004-2021 STI

$2,247.00 - $2,247.00
$2,247.00
$2,247.00 - $2,247.00
$2,247.00

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

View full details

Process West Black Intake Manifold Track Version 2002-2014 WRX / 2004-2021 STI

$2,333.00 - $2,333.00
$2,333.00
$2,333.00 - $2,333.00
$2,333.00

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

View full details

Process West Intake Manifold 2015-2021 WRX

$1,744.10 - $1,744.10
$1,744.10
$1,744.10 - $1,744.10
$1,744.10

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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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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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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Process West Black Khanacooler Top Mount Intercooler 2015-2021 WRX

$735.00 - $735.00
$735.00
$735.00 - $735.00
$735.00

DESCRIPTION The Process West Intercooler Khanacooler is a direct-fit top-mounted intercooler solution for the 2015–2021 Subaru WRX that combines OE...

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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!