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Subaru STI Engine Parts

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Perrin Hyper Pink Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI

$87.75
$87.75 - $87.75
$87.75
$117.00
$117.00 - $117.00
$117.00

DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...

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Perrin Blue Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI

$87.75
$87.75 - $87.75
$87.75
$117.00
$117.00 - $117.00
$117.00

DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...

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Perrin Silver Intercooler Core 2015-2021 WRX / 2015-2021 STI

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

The PERRIN Standard Intercooler Core measures 28” long x 9.25” tall x 3.5” deep, with a total volume of 906.5 cu-in. It's a versatile choice that d...

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Turbosmart Blue GenV CompGate40 14psi External Wastegate

$394.19
$394.19 - $394.19
$394.19
$437.99
$437.99 - $437.99
$437.99

The GenV WG40 CompGate40 External Wastegate is a Motorsport-proven, cost-effective external wastegate – The Highest Flowing Wastegate of its kind. ...

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IAG Silver Revolve Engine Oil Fill Cap 2002-2026 WRX / 2004-2021 STI

$79.99
$79.99 - $79.99
$79.99
$79.99 - $79.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Black Revolve Engine Oil Fill Cap 2002-2026 WRX / 2004-2021 STI

$79.99
$79.99 - $79.99
$79.99
$79.99 - $79.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Blue Revolve Engine Oil Fill Cap 2002-2026 WRX / 2004-2021 STI

$79.99
$79.99 - $79.99
$79.99
$79.99 - $79.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Gold Revolve Engine Oil Fill Cap 2002-2026 WRX / 2004-2021 STI

$79.99
$79.99 - $79.99
$79.99
$79.99 - $79.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Purple Revolve Engine Oil Fill Cap 2002-2026 WRX / 2004-2021 STI

$79.99
$79.99 - $79.99
$79.99
$79.99 - $79.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Gold Revolve Coolant Reservoir Cap 2002-2026 WRX / 2004-2021 STI

$49.99
$49.99 - $49.99
$49.99
$49.99 - $49.99

TRANSFORM YOUR ENGINE BAY Get rid of the unattractive OEM yellow cap and upgrade your engine bay with the IAG Revolve Coolant Reservoir Cap...

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IAG Blue Revolve Coolant Reservoir Cap 2002-2026 WRX / 2004-2021 STI

$49.99
$49.99 - $49.99
$49.99
$49.99 - $49.99

TRANSFORM YOUR ENGINE BAY Get rid of the unattractive OEM yellow cap and upgrade your engine bay with the IAG Revolve Coolant Reservoir Cap...

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IAG Black Revolve Coolant Reservoir Cap 2002-2026 WRX / 2004-2021 STI

$49.99
$49.99 - $49.99
$49.99
$49.99 - $49.99

TRANSFORM YOUR ENGINE BAY Get rid of the unattractive OEM yellow cap and upgrade your engine bay with the IAG Revolve Coolant Reservoir Cap. ...

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IAG Race Series Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI

$124.99
$124.99 - $124.99
$124.99
$124.99 - $124.99

NO MORE DRIVETRAIN SLOP The IAG Race Series Pitch Stop Mount offers a solid solution for reducing engine and transmission movement under hard...

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IAG Black Competition Series Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI

$124.99
$124.99 - $124.99
$124.99
$124.99 - $124.99

NO MORE DRIVETRAIN SLOP The IAG Competition Series Pitch Stop Mount offers a solid solution for reducing engine and transmission movement und...

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AMS Performance Billet Engine Oil Dip Stick 2006-2021 STI

$84.95
$84.95 - $84.95
$84.95
$84.95 - $84.95
$84.95

Introducing the AMS Performance Subaru Billet Engine Oil Dip Stick, the perfect addition to enhance the look and functionality of your engine bay. ...

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OVERTAKE Pitch Stop Mount Race Version 2002-2026 WRX / 2004-2021 STI

$99.00
$99.00 - $99.00
$99.00
$99.00 - $99.00

Overtake Billet Aluminum Pitch Stop Mount | RACE VERSION Upgrade your Subaru's engine stability with the OVERTAKE Billet Aluminum Race Pitch Stop M...

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Killer B Motorsport 4-1 Holy Header Exhaust Manifold w/ V-Band Up Pipe 2002-2014 WRX / 2004-2021 STI

$1,985.00 - $2,445.00
$1,985.00 - $2,445.00
$1,985.00
$1,985.00 - $2,445.00

IAG Silver Street Series Oil Pan 2002-2014 WRX/ 2004-2021 STI

$529.99
$529.99 - $529.99
$529.99
$529.99 - $529.99

INCREASED CAPACITY The IAG Performance EJ Street Series Oil Pan for the Subaru WRX, STI, LGT and FXT is uniquely designed and CNC machined to suit ...

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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...

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Mishimoto Liquid Chill Synthetic Engine Coolant Full Strength

$82.95
$82.95 - $82.95
$82.95
$91.00
$91.00 - $91.00
$91.00

DESCRIPTION: Liquid Chill Synthetic Engine Coolant technology combines an inherently nontoxic propylene glycol base with unique poly organic addit...

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Mishimoto Liquid Chill Radiator Coolant Additive

$20.95
$20.95 - $20.95
$20.95
$23.00
$23.00 - $23.00
$23.00

DESCRIPTION: Mishimoto Liquid Chill® radiator coolant additive is a simple yet effective way to reduce engine temperatures. This additive is compa...

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GrimmSpeed Head Gasket Set 2006-2014 WRX / 2004-2021 STI

$149.00 - $169.00
$149.00 - $169.00
$149.00
$149.00 - $169.00

DESCRIPTION The GrimmSpeed Head Gaskets feature a multi-layer steel (MLS) construction, in which multiple grades are used to provide optimal surfac...

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GrimmSpeed Gold V2 Bolt Oil Cap 2002-2026 WRX / 2004-2021 STI

$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00

DESCRIPTION It’s inevitable, you’ll eventually want to replace your OEM Subaru oil cap. Whether it's leaking, worn out, or just an eyesore, the Gri...

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GrimmSpeed Silver V2 Bolt Oil Cap 2002+ WRX / 2004-2021 STI

$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00

DESCRIPTION It’s inevitable, you’ll eventually want to replace your OEM Subaru oil cap. Whether it's leaking, worn out, or just an eyesore, the Gri...

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GrimmSpeed Red V2 Bolt Oil Cap 2002+ WRX / 2004-2021 STI

$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00

DESCRIPTION It’s inevitable, you’ll eventually want to replace your OEM Subaru oil cap. Whether it's leaking, worn out, or just an eyesore, the Gri...

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Blouch Dominator 16G-XT-R Ball Bearing Turbocharger 2002-2007 WRX / 2004-2021 STI

$1,809.50 - $1,909.50
$1,809.50 - $1,909.50
$1,809.50
$1,809.50 - $1,909.50

Disclaimer: Photos are for illustrative purposes only, the actual product may differ slightly. The Blouch 16G-XT-R Ball Bearing Turbocharger is a s...

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Blouch Dominator 2.5G2-R Ball Bearing Turbocharger 2002-2007 WRX / 2004-2021 STI

$2,337.50 - $2,437.50
$2,337.50 - $2,437.50
$2,337.50
$2,337.50 - $2,437.50

Disclaimer: Photos are for illustrative purposes only, the actual product may differ slightly. DESCRIPTION The Blouch Dominator 2.5G2-R Ball Bearin...

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Blouch Dominator 1.5G2-R Ball Bearing Turbocharger 2002-2007 WRX / 2004-2021 STI

$2,216.50 - $2,316.50
$2,216.50 - $2,316.50
$2,216.50
$2,216.50 - $2,316.50

Disclaimer: Photos are for illustrative purposes only, the actual product may differ slightly. DESCRIPTION The Blouch Dominator 1.5G2-R Ball Bearin...

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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...

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Mishimoto Titanium Turbo Blanket 2002-2014 WRX / 2004-2021 STI

$85.95
$85.95 - $85.95
$85.95
$95.00
$95.00 - $95.00
$95.00

DESCRIPTION The Mishimoto Turbo Blanket is a must-have upgrade for 2001-2014 Subaru WRX and 2004-2017 STI owners seeking to reduce engine bay heat ...

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Mishimoto Silver Top Mount Intercooler Kit 2008-2021 STI

$695.95
$695.95 - $695.95
$695.95
$766.00
$766.00 - $766.00
$766.00

DESCRIPTION The Mishimoto Performance Direct-Fit Top-Mount Intercooler for the 2008-2021 Subaru WRX STI is designed to reduce intake temperatures a...

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Mishimoto Black Top Mount Intercooler Kit 2008-2021 STI

$695.95
$695.95 - $695.95
$695.95
$766.00
$766.00 - $766.00
$766.00

DESCRIPTION The Mishimoto Performance Direct-Fit Top-Mount Intercooler for the 2008-2021 Subaru WRX STI is designed to reduce intake temperatures a...

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Mishimoto Silver Oil Cooler Kit 2015-2021 STI

$570.95 - $624.95
$570.95 - $624.95
$570.95
$628.00 - $687.00
$628.00 - $687.00
$628.00

DESCRIPTION The Mishimoto Oil Cooler Kit for the 2015-2021 Subaru STI is designed to keep your engine cool and reliable, whether on the street or t...

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GrimmSpeed Titanium Radiator Shroud 2015-2021 WRX / 2015-2021 STI

$325.00
$325.00 - $325.00
$325.00
$325.00 - $325.00

DESCRIPTION The GrimmSpeed Titanium Radiator Shroud for the 2015–2021 WRX and STI transforms one of the most visible areas of the engine bay into a...

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GrimmSpeed Red Electronic Boost Control Cover 2008-2021 STI

$62.00
$62.00 - $62.00
$62.00
$62.00 - $62.00

DESCRIPTION We decided on a subtle design for this cover that mimics the “vent” styling on our matching GrimmSpeed Alternator Cover. Is it made fro...

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Verus Engineering Air Oil Separator 2015-2021 STI

$429.95
$429.95 - $429.95
$429.95
$429.95 - $429.95

DESCRIPTION Protect your 2015–2021 Subaru STI engine with the Verus Engineering Air Oil Separator, designed to keep oil out of the intake system an...

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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.

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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.