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CHRISTMAS SPECIALS ARE HERE!
CHRISTMAS SPECIALS ARE HERE!

2015-2021 WRX STI Mods

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AEM High Cap Adjustable Fuel Pressure Regulator

$188.95
$188.95 - $188.95
$188.95
$151.16
$151.16 - $151.16
$151.16

AEM's High Cap Universal Adjustable Fuel Pressure Regulator (PN 25-305BK) is the perfect solution for racers who need reliable fuel pressure in hig...

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COBB Tuning Fuel Pressure Regulator Kit 2008-2021 STI

$410.00 - $410.00
$410.00
$410.00 - $410.00
$410.00

EMISSIONS This part is in the process of external testing with the EO process ongoing. NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION C...

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COBB Tuning Fuel Pressure Regulator for Fuel Rail Kit 2008-2021 STI

$380.00 - $380.00
$380.00
$380.00 - $380.00
$380.00

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

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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!