Skip to content

2015-2021 Subaru WRX Engine Parts

Save 15% Save %

Perrin Black Front Strut Tower Bar 2015-2021 WRX / 2015-2021 STI

$299.20
$299.20 - $299.20
$299.20
$352.00
$352.00 - $352.00
$352.00

Performance During cornering, the Perrin Strut Tower Brace improves chassis rigidity, enhances steering precision under high load conditions, and r...

View full details

GrimmSpeed Front Mount Intercooler Kit 2015-2021 WRX

$1,639.00 - $1,749.00
$1,639.00 - $1,749.00
$1,639.00
$1,639.00 - $1,749.00

DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit from GrimmSpeed has been designed with a great balance of low-pressure drop and high-tempera...

View full details

Forced Performance Blue Turbocharger 2015-2021 WRX

$1,899.00 - $2,199.00
$1,899.00 - $2,199.00
$1,899.00
$1,899.00 - $2,199.00

Subaru FA20 Blue Compressor wheel - 73HTZ Flow rating - 57LB per minute CW Measurements - 52.6MM Inducer / 73MM Exducer TW Measurements - 60.8MM I...

View full details
Sold out

FactionFab 3D Lava Turbo Blanket 2015-2026 WRX

$150.00
$150.00 - $150.00
$150.00
$150.00 - $150.00

Turbochargers work on the basis of heat energy and keeping the turbo as hot as possible. By containing as much heat as possible within the turbine ...

View full details

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

$26.00
$26.00 - $26.00
$26.00
$26.00 - $26.00

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...

View full details

OVERTAKE Aluminum Turbo Inlet 2015-2021 WRX

$230.00
$230.00 - $230.00
$230.00
$230.00 - $230.00

Stronger, Smoother, 5-10HP+ | Don't Risk the Crack Anymore! Ditch your WRX’s weak plastic turbo inlet and upgrade to the Overtake Aluminum Turbo Ve...

View full details
Save 15% Save %

Perrin Black Jack Pad Set 2002-2026 WRX / 2004-2021 STI

$104.55
$104.55 - $104.55
$104.55
$123.00
$123.00 - $123.00
$123.00

DESCRIPTION The pinch weld jack points are easily bent and damaged during routine tasks like tire changes and car maintaince. This damage occurs fr...

View full details
Save 9% Save %

Mishimoto Performance Aluminum Radiator 2015-2021 WRX

$443.95
$443.95 - $443.95
$443.95
$488.00
$488.00 - $488.00
$488.00

DESCRIPTION The Mishimoto 2015-2021 Subaru WRX Performance Aluminum Radiator is designed and engineered to reduce coolant temperatures by -202120 D...

View full details

COBB Redline Carbon Fender Shrouds 2015-2021 WRX / 2015-2021 STI

$395.00
$395.00 - $395.00
$395.00
$395.00 - $395.00

Description The COBB Redline Gloss Carbon Fiber Fender Shrouds for the VA WRX are constructed of hand-laid 2x2 twill weave carbon fiber sheets. A...

View full details

Process West Black Verticooler Top Mount Intercooler Kit 2015-2021 WRX

$1,103.44
$1,103.44 - $1,103.44
$1,103.44
$1,103.44 - $1,103.44

DESCRIPTION Taking a fresh approach formed from years of motorsport and component design experience, Process West proudly introduces the Verti-Cool...

View full details

COBB Can Fuel Pressure Sensor Kit 2015-2021 WRX

$275.00
$275.00 - $275.00
$275.00
$275.00 - $275.00

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

View full details

GrimmSpeed Black Radiator Hose Kit 2015-2021 WRX

$119.00
$119.00 - $119.00
$119.00
$119.00 - $119.00

DESCRIPTION The GrimmSpeed Black Radiator Hose Kit was manufactured using a 5-ply construction system with fiber reinforcement between each layer ...

View full details
Save 15% Save %

Perrin Neon Yellow Fender Shrouds 2015-2021 WRX / 2015-2021 STI

$156.40
$156.40 - $156.40
$156.40
$184.00
$184.00 - $184.00
$184.00

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

View full details

COBB Redline Intake Replacement Air Filter 2015-2021 WRX

$85.00
$85.00 - $85.00
$85.00
$85.00 - $85.00

Description This replacement filter can be used with the following intake systems.Subaru SF Intake System WRX 2015-2021Audi / Volkswagen Redlin...

View full details
Save up to 15% Save %

Perrin Black Radiator Shroud 2015-2021 WRX / 2015-2021 STI

$99.45 - $173.40
$99.45 - $173.40
$99.45
$117.00 - $204.00
$117.00 - $204.00
$117.00

The PERRIN Radiator Shroud caps the top of the radiator for a sleek, clean, and accented new look. DESIGN Dress up the top of your radiator with t...

View full details
Save 15% Save %

Perrin Red Pulley Cover 2015-2021 WRX

$149.60
$149.60 - $149.60
$149.60
$176.00
$176.00 - $176.00
$176.00

Accessorize the top of your engine and the pulleys with the PERRIN Belt Cover. Choose Red, Black, Neon Yellow, or Hyper Pink to accent your engine ...

View full details
Save 15% Save %

Perrin Black Turbo Inlet Hose 2015-2021 WRX

$191.25
$191.25 - $191.25
$191.25
$225.00
$225.00 - $225.00
$225.00

The PERRIN Turbo Inlet Hose will increase airflow to the engine, increasing horsepower while adding a touch of color and style to your engine bay....

View full details

Process West Intake Manifold w/ Port Injection 2015-2021 WRX

$2,087.70
$2,087.70 - $2,087.70
$2,087.70
$2,087.70 - $2,087.70

Designed for the MY15+ FA20DIT WRX the Process West ‘DITTO’ (Direct Injection Tubular Original) compromises a mix of billet plenum and cast large b...

View full details

AMS Performance Front Mount Intercooler Kit 2015-2021 WRX

$1,199.90 - $1,699.85
$1,199.90 - $1,699.85
$1,199.90
$1,199.90 - $1,699.85

Whether you live in a hot climate region, enjoy drag racing, or long high speed pulls on airstrips the 2015-2021 Subaru WRX Front Mount Intercooler...

View full details
Save 28% Save %

Perrin High Flow Panel Filter 2008-2021 WRX / 2008-2018 STI

$52.02
$52.02 - $52.02
$52.02
$72.00
$72.00 - $72.00
$72.00

The PERRIN High-Flow Replacement Air Filter is a reusable, panel-style filter that fits directly into your airbox. It boosts horsepower for a durab...

View full details
Save 15% Save %

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

$99.45
$99.45 - $99.45
$99.45
$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 ...

View full details
Save 15% Save %

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

$99.45
$99.45 - $99.45
$99.45
$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 ...

View full details

IAG Purple Dipstick w/ Billet Anodized Handle 2015-2021 WRX

$69.99
$69.99 - $69.99
$69.99
$69.99 - $69.99

FACTORY FIT WITH A CUSTOM LOOK Get rid of the bright yellow factory dipstick and transform your Subaru’s engine bay with the IAG Subaru Dipst...

View full details

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

$95.00
$95.00 - $95.00
$95.00
$95.00 - $95.00

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...

View full details

GrimmSpeed Engine Mount Kit 2002-2021 WRX / 2004-2021 STI

$289.00
$289.00 - $289.00
$289.00
$289.00 - $289.00

DESCRIPTION Upgrade your Subaru’s performance with the GrimmSpeed Engine Mount for the 2002+ WRX and 2004+ STI. Designed as a direct replacement fo...

View full details
Save 15% Save %

Perrin Red Coolant Overflow Tank 2002-2026 WRX / 2004-2021 STI

$173.40
$173.40 - $173.40
$173.40
$204.00
$204.00 - $204.00
$204.00

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

Process West Black Khanacooler Top Mount Intercooler 2015-2021 WRX

$735.00
$735.00 - $735.00
$735.00
$735.00 - $735.00

DESCRIPTION The Process West Intercooler Khanacooler is a direct-fit top-mounted intercooler solution for the 2015–2021 Subaru WRX that combines OE...

View full details
Save 15% Save %

Perrin Hyper Pink Battery Tie Down 2002-2026 WRX / 2004-2021 STI

$74.80
$74.80 - $74.80
$74.80
$88.00
$88.00 - $88.00
$88.00

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

View full details
Save 15% Save %

Perrin Carbon Fiber Front Strut Tower Bar 2015-2021 WRX / 2015-2021 STI

$412.25
$412.25 - $412.25
$412.25
$485.00
$485.00 - $485.00
$485.00

Performance During cornering, the Perrin Strut Tower Brace improves chassis rigidity, enhances steering precision under high load conditions, and r...

View full details

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

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

DESCRIPTION The GrimmSpeed Radiator Shroud for the 2015-2021 Subaru WRX/STI is made from CNC laser cut and bent aluminum and covered in a very dura...

View full details

GrimmSpeed Neon Green Fender Shrouds 2015-2021 WRX / 2015-2021 STI

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

DESCRIPTION The GrimmSpeed Fender Shrouds have been designed to fill in the unsightly factory gap between the insides of your front fenders, and th...

View full details

GrimmSpeed Black Post-MAF Hose Kit 2015-2021 WRX

$200.00
$200.00 - $200.00
$200.00
$200.00 - $200.00

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...

View full details

GrimmSpeed Red Post-MAF Hose Kit 2015-2021 WRX

$200.00
$200.00 - $200.00
$200.00
$200.00 - $200.00

DESCRIPTION Thie GrimmSpeed Red Post-MAF Hose kit has been designed to replace the OEM hose to increase the flow to improve the overall power and r...

View full details

COBB Delrin Oil Cap 2002-2026 WRX / 2004-2021 STI

$95.00
$95.00 - $95.00
$95.00
$95.00 - $95.00

Description The COBB Delrin Oil Cap's construction of pure medical-grade black Delrin means it does not absorb heat like many aluminum options....

View full details
Save 15% Save %

Perrin Black Oil Cap 2002-2026 WRX / 2004-2021 STI

$69.70
$69.70 - $69.70
$69.70
$82.00
$82.00 - $82.00
$82.00

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...

View full details

COBB Radiator Shroud 2015-2021 WRX / 2015-2021 STI

$125.00
$125.00 - $125.00
$125.00
$125.00 - $125.00

Description This radiator shroud is made from 5052-H32 Aluminum, powder coated black and features a laser etched COBB logo. NOTE: Not compatibl...

View full details

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.