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2015-2021 WRX STI Mods

IAG PTFE Flex Fuel System Kit w/ ID Injectors, Aeromotive FPR, IAG Fuel Rails 2008-2014 WRX / 2008-2021 STI

$1,849.99 - $2,799.99
$1,849.99 - $2,799.99
$1,849.99 - $2,799.99
$1,849.99

IAG PTFE FLEX FUEL SYSTEM KIT W/ ID INJECTORS, AEROMOTIVE FPR, IAG FUEL RAILS FOR 2008-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY ...

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IAG PTFE Fuel System Kit w/ ID Injectors, Aeromotive FPR, IAG Fuel Rails 2008-2014 WRX/ 2008-2021 STI

$1,739.99 - $2,699.99
$1,739.99 - $2,699.99
$1,739.99 - $2,699.99
$1,739.99

IAG PTFE FUEL SYSTEM KIT W/ ID INJECTORS, AEROMOTIVE FPR, IAG FUEL RAILS FOR 2008-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY Whe...

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IAG PTFE Flex Fuel System Kit w/ Aeromotive FPR, IAG Fuel Rails 2008-2014 WRX/ 2008-2021 STI

$1,199.99 - $1,199.99
$1,199.99
$1,199.99 - $1,199.99
$1,199.99

IAG PTFE FLEX FUEL SYSTEM KIT W/ AEROMOTIVE FPR, IAG FUEL RAILS FOR 08-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY When designing ...

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IAG PTFE Fuel System Kit w/ Aeromotive FPR, IAG Fuel Rails 2008-2014 WRX / 2008-2021 STI

$1,099.99 - $1,099.99
$1,099.99
$1,099.99 - $1,099.99
$1,099.99

AG PTFE FUEL SYSTEM KIT W/ AEROMOTIVE FPR, IAG FUEL RAILS FOR 08-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY When designing the IA...

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COBB Tuning Fuel Rails/Line Kit Package 2008-2021 STI

$775.00 - $775.00
$775.00
$775.00 - $775.00
$775.00

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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COBB Tuning Fuel System Package 2008-2021 STI

$1,825.00 - $1,825.00
$1,825.00
$1,825.00 - $1,825.00
$1,825.00

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

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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!