Skip to content

2015-2021 WRX & STI Mods

COBB Tuning Coolant Overflow Tank 2015-2021 WRX / 2015-2021 STI

$290.00
$290.00 - $290.00
$290.00
$290.00 - $290.00

EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION The OEM Coolant...

View full details
Save 9% Save %

Mishimoto Black Aluminum Coolant Expansion Tank 2002-2007 WRX / 2004-2016 STI

$188.95
$188.95 - $188.95
$188.95
$208.00
$208.00 - $208.00
$208.00

DESCRIPTION Upgrade your cooling system with the Mishimoto Aluminum Coolant Expansion Tank for the 2002-2007 Subaru WRX and 2004-2016 STI. Designed...

View full details
Save 25% Save %

Perrin Neon Yellow Coolant Overflow Tank 2002+ WRX / 2004-2021 STI

$166.50
$166.50 - $166.50
$166.50
$222.00
$222.00 - $222.00
$222.00

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

View full details
Save 25% Save %

Perrin Red Coolant Overflow Tank 2002+ WRX / 2004-2021 STI

$156.00
$156.00 - $156.00
$156.00
$208.00
$208.00 - $208.00
$208.00

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

View full details
Save 9% Save %

Mishimoto Aluminum Coolant Overflow Tank 2008-2021 WRX / 2008-2021 STI

$233.95
$233.95 - $233.95
$233.95
$257.00
$257.00 - $257.00
$257.00

DESCRIPTION Transform your engine bay with the Mishimoto Coolant Overflow Tank for 2008-2021 STI/WRX. Stock plastic tanks are not only unsightly bu...

View full details
Save 9% Save %

Mishimoto Black Coolant Overflow Tank 2008-2021 WRX / 2008-2021 STI

$233.95
$233.95 - $233.95
$233.95
$257.00
$257.00 - $257.00
$257.00

DESCRIPTION Transform your engine bay with the Mishimoto Coolant Overflow Tank for 2008-2021 STI/WRX. Stock plastic tanks are not only unsightly bu...

View full details
Save 25% Save %

Perrin Pink Coolant Overflow Tank 2002+ WRX / 2004-2021 STI

$166.50
$166.50 - $166.50
$166.50
$222.00
$222.00 - $222.00
$222.00

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

View full details
Save 25% Save %

Perrin Black Coolant Overflow Tank 2002+ WRX / 2004-2021 STI

$156.00
$156.00 - $156.00
$156.00
$208.00
$208.00 - $208.00
$208.00

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

View full details
Save 9% Save %

Mishimoto Aluminum Coolant Expansion Tank 2002-2007 WRX / 2004-2016 STI

$188.95
$188.95 - $188.95
$188.95
$208.00
$208.00 - $208.00
$208.00

DESCRIPTION Upgrade your cooling system with the Mishimoto Aluminum Coolant Expansion Tank for the 2002-2007 Subaru WRX and 2004-2016 STI. Designed...

View full details

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!