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2015-2021 WRX STI Mods

Injector Dynamics 1050X Fuel Injectors 2002-2014 WRX / 2007-2021 STI

$546.00 - $546.00
$546.00
$546.00 - $546.00
$546.00

Here are the details: 1050Xcc Injector model Compact body Improved internal flow path increases output by 5% without sacrificing low flow performan...

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Injector Dynamics 1750cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI

$1,218.00 - $1,218.00
$1,218.00
$1,218.00 - $1,218.00
$1,218.00

These are the Injector Dynamics 1750cc Fuel Injectors and are an excellent option for the 2002-2014 Subaru WRX and 2007-2021 STI that needs to supp...

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Injector Dynamics 2600-XDS Fuel Injectors 2002-2014 WRX/ 2007-2021 STI

$1,449.00 - $1,449.00
$1,449.00
$1,449.00 - $1,449.00
$1,449.00

Here, you are looking at the Injector Dynamics ID2600-XDS Fuel Injectors. These have been designed to provide your fuel system with optimal flow, a...

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Injector Dynamics 1300cc Fuel Injectors 2002-2014 WRX/ 2007-2021 STI

$945.00 - $945.00
$945.00
$945.00 - $945.00
$945.00

1300cc injector size Top-feed type Designed in partnership with Bosch Motorsport Designed to work with alternative fuels All stainless internals C...

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Injector Dynamics Fuel Injector USCAR to Denso Adapter

$15.75 - $15.75
$15.75
$15.75 - $15.75
$15.75

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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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!