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2015-2021 Subaru WRX Engine Parts

AEM X-Series In-Line Wideband AFR Controller

Current price $211.95
$211.95 - $211.95
Current price $211.95
Original price $238.95
Original price $238.95 - Original price $238.95
Original price $238.95

AEM’s X-Series Inline Wideband UEGO Air/Fuel Ratio Controllers are built upon unique, patented, 100% digital technology that makes them the fastest...

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TurboXS Front Mount Intercooler Kit Wrinkle Red 2015-2021 WRX

Current price $1,504.94
$1,504.94 - $1,504.94
Current price $1,504.94
Original price $1,956.42
Original price $1,956.42 - Original price $1,956.42
Original price $1,956.42

The TurboXS 2015+ Subaru WRX Front Mount Intercooler Kit might be the single best modification you can do to your 2015-2016 WRX.  One of the bigges...

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Perrin EBCS Pro Boost Control Solenoid 2015-2021 WRX

Current price $169.15
$169.15 - $169.15
Current price $169.15
Original price $199.00
Original price $199.00 - Original price $199.00
Original price $199.00

The PERRIN Electronic Boost Control Solenoid (EBCS) Pro is designed to control today's high performance turbochargers with its ultra-fast response ...

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AMS Performance Front Mount Intercooler Piping 2015-2021 WRX

$484.95
$484.95 - $484.95
Current price $484.95
Original price $484.95 - Original price $484.95
Original price $484.95

PLM Front Strut Tower Bar 2008-2021 WRX/STI

$195.00
$195.00 - $195.00
Current price $195.00
Original price $195.00 - Original price $195.00
Original price

Draw from our success of the PLM strut tower bar for Honda models, we are pleased to offer our strut tower brace for Subaru WRX & STI. Made fr...

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Whiteline Front Brace Strut Tower 2015-2021 WRX / 2015-2021 STI

Current price $171.66
$171.66 - $171.66
Current price $171.66
Original price $228.88
Original price $228.88 - Original price $228.88
Original price $228.88

You can never have too much chassis stiffness. Weight aside, the more the better. Chassis bracing maintains alignment angles and spring rates by gr...

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ETS Turbo Kit 2015-2021 WRX

$6,095.00 - $6,917.00
$6,095.00 - $6,917.00
Current price $6,095.00
Original price $6,095.00 - Original price $6,917.00
Original price

The ETS Turbo Kit is the best kit on the market. Featuring Precision Turbo ball bearing turbos, dual Tial 38mm wastegates, and all other necessary ...

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Radium Catch Can Kit 2015-2021 WRX

Current price $417.95
$417.95 - $417.95
Current price $417.95
Original price $439.95
Original price $439.95 - Original price $439.95
Original price $439.95

DESCRIPTION High-powered modified Subaru engines tend to generate excessive blow-by oil and gasses. In these cases, an ordinary small catch can may...

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OVERTAKE Downpipe to Catback 3in Gasket 2X THICK 2002-2026 WRX / 2004-2021 STI

$26.00
$26.00 - $26.00
Current price $26.00
Original price $26.00 - Original price $26.00
Original price

Overtake 3in 2X Thick Exhaust Gasket | Be Done With Exhaust Leaks Looking for a Subaru gasket that won't leak? We get it – finding a high-quality g...

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GrimmSpeed Exhaust Manifold to Turbo Gasket 2015-2021 WRX

$32.00
$32.00 - $32.00
Current price $32.00
Original price $32.00 - Original price $32.00
Original price

DESCRIPTION At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel OEM style ...

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OVERTAKE Battery Tie Down 2002-2026 WRX / 2004-2021 STI

$60.00
$60.00 - $60.00
Current price $60.00
Original price $60.00 - Original price $60.00
Original price

Overtake Billet Aluminum Battery Tie Down | Premium Engine Bay Upgrade Elevate the look of your Subaru engine bay with the Overtake Billet Aluminum...

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Turbosmart Black GenV CompGate40 14psi External Wastegate

Current price $394.19
$394.19 - $394.19
Current price $394.19
Original price $437.99
Original price $437.99 - Original price $437.99
Original price $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 Red Revolve Coolant Reservoir Cap 2002-2026 WRX / 2004-2021 STI

$49.99
$49.99 - $49.99
Current price $49.99
Original price $49.99 - Original price $49.99
Original price

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 Red Fender Shrouds 2015-2021 WRX / 2015-2021 STI

$119.99
$119.99 - $119.99
Current price $119.99
Original price $119.99 - Original price $119.99
Original price

THE IAG VA FENDER COVERS Transform your Subaru’s engine bay with the IAG VA Fender Shrouds. Designed specifically for the 2015-2021 WRX and S...

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

$124.99
$124.99 - $124.99
Current price $124.99
Original price $124.99 - Original price $124.99
Original price

DESIGNED FOR COMFORT Designed to fit 2002-2025 WRX, 2004-2021 STI, 2004-2011 FXT and 2005-2009 LGT Subaru models, the IAG Comfort Series Pitc...

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OVERTAKE Hi-Lift Hood Strut Kit 2015-2026 WRX / 2015-2021 STI

$95.00
$95.00 - $95.00
Current price $95.00
Original price $95.00 - Original price $95.00
Original price

Overtake Hi-Lift Hood Struts for VA WRX/STI & VB WRX – The Ultimate Upgrade! If you're looking for improved access and visibility in your engin...

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

$99.00
$99.00 - $99.00
Current price $99.00
Original price $99.00 - Original price $99.00
Original price

Overtake Pitch Stop Mount | Enhanced Engine Stability and Performance Upgrade your Subaru's engine stability with the OVERTAKE Pitch Stop Mount. Th...

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

Current price $233.95
$233.95 - $233.95
Current price $233.95
Original price $257.00
Original price $257.00 - Original price $257.00
Original price $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 Blue Silicone Radiator Hose Kit 2015-2021 WRX

Current price $134.95
$134.95 - $134.95
Current price $134.95
Original price $148.00
Original price $148.00 - Original price $148.00
Original price $148.00

DESCRIPTION Ditch the rubber and upgrade to the Mishimoto Silicone Radiator Hose Kit for your 2015 Subaru WRX. This kit includes upper and lower ra...

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Mishimoto Red Silicone Radiator Hose Kit 2015-2021 WRX

Current price $134.95
$134.95 - $134.95
Current price $134.95
Original price $143.00
Original price $143.00 - Original price $143.00
Original price $143.00

DESCRIPTION Ditch the rubber and upgrade to the Mishimoto Silicone Radiator Hose Kit for your 2015 Subaru WRX. This kit includes upper and lower ra...

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Mishimoto Black Silicone Radiator Hose Kit 2015-2021 WRX

Current price $134.95
$134.95 - $134.95
Current price $134.95
Original price $148.00
Original price $148.00 - Original price $148.00
Original price $148.00

DESCRIPTION Ditch the rubber and upgrade to the Mishimoto Silicone Radiator Hose Kit for your 2015 Subaru WRX. This kit includes upper and lower ra...

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GrimmSpeed Red Lightweight Battery Mount Kit 2008-2021 WRX / 2008-2021 STI

$109.00
$109.00 - $109.00
Current price $109.00
Original price $109.00 - Original price $109.00
Original price

DESCRIPTION Lightweight Batteries are an excellent and inexpensive way to remove weight from your Subaru, which has an OEM battery tipping the scal...

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IAG Street Series Neon Yellow Air Oil Separator 2015-2021 WRX

$499.99
$499.99 - $499.99
Current price $499.99
Original price $499.99 - Original price $499.99
Original price

PROTECT YOUR ENGINE The IAG Air / Oil Separator (AOS) is a smart investment to safeguard and improve your Subaru's performance. Developed ...

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GrimmSpeed Titanium Pulley Cover 2015–2021 WRX

$175.00
$175.00 - $175.00
Current price $175.00
Original price $175.00 - Original price $175.00
Original price

DESCRIPTION Upgrade your FA20 engine bay with the GrimmSpeed Titanium Pulley Cover for the 2015–2021 Subaru WRX. Designed for enthusiasts who value...

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

Current price $188.70
$188.70 - $188.70
Current price $188.70
Original price $222.00
Original price $222.00 - Original price $222.00
Original price $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...

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

Current price $176.80
$176.80 - $176.80
Current price $176.80
Original price $208.00
Original price $208.00 - Original price $208.00
Original price $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...

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Verus Engineering Pitch Stop Mount 2002+ WRX / 2004-2021 STI

$119.95
$119.95 - $119.95
Current price $119.95
Original price $119.95 - Original price $119.95
Original price

DESCRIPTION The Verus Engineering Pitch Stop Mount for the 2002+ Subaru WRX and 2004–2021 STI is designed to reduce engine movement and deliver a m...

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GrimmSpeed Black Front Strut Bar 2015-2021 WRX/STI

$249.00
$249.00 - $249.00
Current price $249.00
Original price $249.00 - Original price $249.00
Original price

DESCRIPTION The GrimmSpeed Front Strut Bar for the 2015-2021 Subaru WRX/STI blends precision engineering with clean aesthetics to deliver serious p...

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COBB Tuning Driveline Bushing Kit 2008-2021 WRX/STI

$165.00
$165.00 - $165.00
Current price $165.00
Original price $165.00 - Original price $165.00
Original price

DESCRIPTION Driveline mounts/bushings are installed to provide the driver with improved feel/response from the engine, driveline, and steering comp...

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COBB Tuning Previous Sensor Kit to Can Flex Fuel Upgrade + Fuel Pressure Kit 2018-2021 WRX

$840.00
$840.00 - $840.00
Current price $840.00
Original price $840.00 - Original price $840.00
Original price

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 Can Flex Fuel Upgrade 2018-2021 WRX

Current price $775.00
$775.00 - $775.00
Current price $775.00
Original price $1,035.00
Original price $1,035.00 - Original price $1,035.00
Original price $1,035.00

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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GrimmSpeed Black Pulley Cover 2015-2021 WRX

$99.00
$99.00 - $99.00
Current price $99.00
Original price $99.00 - Original price $99.00
Original price

DESCRIPTION Our Pulley Cover is precision laser cut and CNC bent from locally-sourced material and each cover receives a durable powdercoat finish....

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GrimmSpeed Black Post-MAF Hose Kit 2015-2021 WRX

$182.00
$182.00 - $182.00
Current price $182.00
Original price $182.00 - Original price $182.00
Original price

DESCRIPTION This is the GrimmSpeed Post MAF Hose Kit. This hose kit has been designed to replace the OEM hose to increase the flow to improve the o...

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Perrin Hyper Pink Fender Shrouds 2015-2021 WRX / 2015-2021 STI

Current price $136.00
$136.00 - $136.00
Current price $136.00
Original price $160.00
Original price $160.00 - Original price $160.00
Original price $160.00

COMPLETE THE LOOK Matching Perrin's signature pulley cover design, the angled cutouts look great while concealing the factory fender gap.  DESIGN P...

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Perrin Hyper Pink Oil Cap 2002+ WRX / 2004-2021 STI

Current price $74.80
$74.80 - $74.80
Current price $74.80
Original price $88.00
Original price $88.00 - Original price $88.00
Original price $88.00

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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COBB Tuning Redline Carbon Fiber Engine Cover 2015-2021 WRX

$325.00
$325.00 - $325.00
Current price $325.00
Original price $325.00 - Original price $325.00
Original price

The COBB Redline Carbon Fiber Engine bay for the 2015+ Subaru WRX is constructed of solid carbon fiber featuring a 2x2 twill weave pattern. It is...

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Harness the full potential of your Subaru’s performance with Subaru WRX engine parts from WRXDaily. Fine-tune your engine, boost performance, enhance reliability, and more with a diverse selection of Subaru WRX engine upgrades. Every part is sourced from trusted brands, so you can shop with confidence, knowing you’re getting quality built to last. 

Refine your build with top-notch Subaru WRX engine mods that balance power with precision. Our range of 2015 WRX engine mods provides tailored options to fit your needs and driving style. We’re here to help you create an engine setup that delivers every time you put your foot on the gas and hit the road. 

Experience how the right Subaru WRX engine parts can redefine the way you drive. Let the experts at WRXDaily help you build a custom Subaru that fits your wants and needs.