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Subaru STI Engine Parts

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

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

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...

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

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

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...

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

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

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...

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Perrin Blue Battery Tie Down 2002+ WRX / 2004-2021 STI

$82.00
$82.00 - $82.00
$82.00
$61.50
$61.50 - $61.50
$61.50

DESCRIPTION The Perrin Battery Tie Down is a quick and affordable upgrade for your Subaru. Batteries are essential for many of your vehicles functi...

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Perrin Top Mount Intercooler Kit 2008-2021 STI

$890.00
$890.00 - $890.00
$890.00
$667.50
$667.50 - $667.50
$667.50

DESCRIPTION The Perrin TMIC is 12% larger than the nearest competitor's core. The large core means less restriction and better cooling capabilities...

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Perrin Oil Cooler Kit 2002-2014 WRX / 2004-2021 STI

$558.00 - $1,040.00
$558.00 - $1,040.00
$558.00
$418.50 - $780.00
$418.50 - $780.00
$418.50

WHY YOU WANT THIS In racing conditions engine oil temperature skyrockets. This causes decreased engine performance and reduces the oil's ability to...

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Perrin Blue Oil Cap 2002+ WRX / 2004-2021 STI

$82.00
$82.00 - $82.00
$82.00
$61.50
$61.50 - $61.50
$61.50

Replace the ugly yellow plastic OEM oil fill cap with the sexy billet aluminum PERRIN Oil Fill Cap! Complete Your Engine Bay The Perrin Aluminum O...

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Perrin Intercooler Core 2015-2021 WRX/STI

$1,111.00
$1,111.00 - $1,111.00
$1,111.00
$833.25
$833.25 - $833.25
$833.25

Replacement Intercooler and Bumper Beam for the PERRIN Front Mount Intercooler Kits!

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Perrin Front Mount Intercooler Kit 2015-2021 STI

$2,822.00 - $2,940.00
$2,822.00 - $2,940.00
$2,822.00
$2,116.50 - $2,205.00
$2,116.50 - $2,205.00
$2,116.50

PERRIN Front Mount Intercooler Kits are ideal for those who want to get the most out of their turbocharged Subaru. Add power and a bold new look al...

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Perrin Hyper Pink Cold Air Intake 2018-2021 STI

$333.00
$333.00 - $333.00
$333.00
$249.75
$249.75 - $249.75
$249.75

SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...

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Perrin 3.0" Turbo Inlet 2002-2007 WRX/ 2004-2021 STI

$333.00
$333.00 - $333.00
$333.00
$249.75
$249.75 - $249.75
$249.75

Your Subaru STI was built for excitement, but why settle for stock when you can achieve so much more? WRXDaily’s premium Subaru STI engine parts help you unlock the raw potential of your car. Turn your track days or daily drives into unbeatable experiences.

Whether you’re aiming for peak efficiency or high-octane power, our Subaru WRX STI engine upgrades deliver solutions tailored to your goals. For even greater customization, explore our range of Subaru STI aftermarket performance parts crafted to elevate every aspect of your engine’s performance.

Every part we offer is precision-engineered for seamless integration and maximum impact. From reliable endurance to thrilling power gains, these parts are made to perform. Don’t wait to transform your Subaru into the ultimate performance machine; start your build with WRXDaily’s expertly crafted parts today.