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2015-2021 WRX STI Mods

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PLM EWG 38mm Up-Pipe w/ Dump Tube 2002-2014 WRX / 2004-2021 STI

$339.00
$339.00 - $339.00
$339.00
$271.20 - $339.00
$271.20 - $339.00
$271.20

PLM Private Label Mfg. Power Driven Subaru EWG Up-Pipe with Dump Tube 38mm features a unique designed up pipe which gives you the option to install...

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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...

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PLM EWG 44mm Up-Pipe w/ Dump Tube 2002-2014 WRX / 2004-2021 STI

$339.00
$339.00 - $339.00
$339.00
$271.20
$271.20 - $271.20
$271.20

PLM Power Driven Subaru 44mm EWG Up-Pipe with Dump Tube features a unique designed Up-pipe which gives you the option to install a 44mm or 45mm ext...

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

$309.00
$309.00 - $309.00
$309.00
$278.10
$278.10 - $278.10
$278.10

DESCRIPTION The GrimmSpeed Ceramic Coated 2 Bolt Up-Pipe has been designed to be a high-performance direct replacement for your factory up-pipe to ...

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Invidia Up Pipe w/o EGT Bung 2002-2014 WRX / 2004-2021 STI

$280.28 - $280.28
$280.28
$280.28 - $280.28
$280.28

DESCRIPTION The Invidia Up-Pipe - No EGT Bung is a premium upgrade for Subaru owners looking to improve exhaust flow and turbo efficiency. Designed...

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Invidia Up Pipe w/ EGT Bung 2002-2014 WRX / 2004-2021 STI

$280.28 - $280.28
$280.28
$280.28 - $280.28
$280.28

DESCRIPTION The Invidia Up-Pipe is a high-performance upgrade for Subaru models, designed to replace the restrictive and failure-prone factory up-p...

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IAG Unequal Length 3-Bolt Header & Up-Pipe 2002-2014 WRX/ 2004-2021 STI

$849.99 - $849.99
$849.99
$849.99 - $849.99
$849.99

The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The hea...

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COBB Tuning SS 2" Uppipe 2006-2014 WRX / 2004-2021 STI

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

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!