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2015-2021 WRX & STI Mods

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OLM LED HYPERBLINK MODULE 2008-2021 WRX / 2008-2021 STI

$15.00
$15.00 - $15.00
$15.00
$15.00 - $15.00

LED technology usually has less current draw than the halogen bulbs they replace. This causes the turn signals to "hyperblink" or blink really fast...

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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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Invidia Stock Downpipe to 3" Exhaust Adapter 2002-2026 WRX / 2004-2021 STI

$65.17
$65.17 - $65.17
$65.17
$98.00
$98.00 - $98.00
$98.00

DESCRIPTION The Invidia Stock Downpipe to 3" Exhaust Adapter is a simple yet essential component for seamlessly connecting your stock downpipe to a...

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Injector Dynamics Fuel Injector USCAR to Denso Adapter 2002-2021 WRX / 2004-2021 STI

$17.33
$17.33 - $17.33
$17.33
$17.33 - $17.33

Here, you are looking at the Injector Dynamics Fuel Injector PnP Adapter USCAR to Denso Adapter. This is available for separate purchase for those ...

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Invidia 3" Downpipe to 2.5" Exhaust Adapter 2002-2026 WRX / 2004-2021 STI

$65.17
$65.17 - $65.17
$65.17
$98.00
$98.00 - $98.00
$98.00

DESCRIPTION The Invidia 3-Inch Downpipe to Stock Cat-Back Exhaust Adapter is the ultimate solution for seamlessly connecting your 3-inch downpi...

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GrimmSpeed Aftermarket 3" Downpipe to OEM Catback Adapter

$63.00
$63.00 - $63.00
$63.00
$63.00 - $63.00

DESCRIPTION Exhaust leaks seem to be an all-too-common issue with most modded Subarus. The most guaranteed leak you will get is if you run an after...

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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!