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2015-2021 Subaru WRX Engine Parts

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Perrin Neon Yellow Oil Cap 2002+ WRX / 2004-2021 STI

$74.80
$74.80 - $74.80
$74.80
$88.00
$88.00 - $88.00
$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 Intake Replacement Air Filter 2015-2021 WRX

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

WHY? The filter element that originally came with your Redline Intake is cleanable and can be reused for the life of your car. However, should yo...

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COBB Tuning Air Oil Separator 2015-2021 WRX

$610.00
$610.00 - $610.00
$610.00
$610.00 - $610.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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

$96.90 - $164.90
$96.90 - $164.90
$96.90
$114.00 - $194.00
$114.00 - $194.00
$114.00

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...

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Perrin Red Pulley Cover 2015-2021 WRX

$141.10
$141.10 - $141.10
$141.10
$166.00
$166.00 - $166.00
$166.00

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 ...

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Perrin Red Turbo Inlet Hose 2015-2021 WRX

$160.65
$160.65 - $160.65
$160.65
$189.00
$189.00 - $189.00
$189.00

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....

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Perrin Red Charge Pipe 2015-2021 WRX

$327.25
$327.25 - $327.25
$327.25
$385.00
$385.00 - $385.00
$385.00

Replace the restrictive OEM plastic charge pipe to increase horsepower and boost response with the PERRIN Charge Pipe for 2015-2021 WRX!  NO TUNIN...

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Compressive Tuning Airblades 2.0 2015-2021 WRX

$199.00
$199.00 - $199.00
$199.00
$199.00 - $199.00

Description The blades that promote even temperatures and airflow through your engine bay, while giving your Subaru an outstanding visual upgrade....

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Perrin Red Air Oil Separator 2015-2021 WRX

$499.80
$499.80 - $499.80
$499.80
$588.00
$588.00 - $588.00
$588.00

Not a Catch Can The Perrin Air Oil Separator is not a catch can. Catch cans capture engine blow-by and stores it in a container, which requires co...

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Perrin Black Strut Tower Brace 2015-2021 WRX / STI

$283.05
$283.05 - $283.05
$283.05
$333.00
$333.00 - $333.00
$333.00

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

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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...

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PLM Cold Air Intake 2015-2021 WRX

$295.00
$295.00 - $295.00
$295.00
$295.00 - $295.00

PLM Cold Air Intake with Heat ShieldVehicle Applications: 2015 - 2019 Subaru WRX Fits only US Market WRX due to different variations in body panel...

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IAG Red 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 Spec Nostrum High-Pressure Fuel Pump 2015-2021 WRX

$1,029.99
$1,029.99 - $1,029.99
$1,029.99
$1,029.99 - $1,029.99

THE IAG SPEC HIGH-PRESSURE FUEL PUMP BY NOSTRUM IAG Performance and Nostrum have teamed up to deliver the IAG Spec High-Pressure Fuel Pump by...

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

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

The IAG Street Series Pitch Stop Mount reduces engine and transmission movement under hard acceleration. The CNC machined billet aluminum mount in...

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Mishimoto Silver Street Performance Top Mount Intercooler 2015-2021 WRX

$665.95
$665.95 - $665.95
$665.95
$733.00
$733.00 - $733.00
$733.00

DESCRIPTION The Mishimoto Street Performance Intercooler takes the place of the stock unit and is specifically designed for use on the stock tune u...

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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...

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GrimmSpeed Exhaust Gasket Set 2015-2021 WRX

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

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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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...

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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...

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

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

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

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Perrin Neon Yellow 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...

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COBB Tuning Can Flex Fuel Upgrade + Fuel Pressure Kit 2015-2017 WRX

$1,020.00
$1,020.00 - $1,020.00
$1,020.00
$1,280.00
$1,280.00 - $1,280.00
$1,280.00

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 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...

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GrimmSpeed Red Post-MAF Hose Kit 2015-2021 WRX

$182.00
$182.00 - $182.00
$182.00
$182.00 - $182.00

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...

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Verus Engine Bay Cap Kit 2015-2021 WRX/STI

$232.95
$232.95 - $232.95
$232.95
$232.95 - $232.95

OVERVIEW Cover up the lackluster plastic caps that come on your factory WRX/STI (VA/GR/GV) with a cap machined from solid aluminum.  The caps a...

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Perrin Black Oil Cap 2002+ 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...

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Perrin Red Oil Cap 2002+ 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...

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COBB Tuning Hot Pipe Kit 2015-2021 WRX

$370.00
$370.00 - $370.00
$370.00
$370.00 - $370.00

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 Cold Pipe Kit 2015-2021 WRX

$480.00
$480.00 - $480.00
$480.00
$480.00 - $480.00

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 Silver Top Mount Intercooler Kit 2015-2021 WRX

$1,205.00
$1,205.00 - $1,205.00
$1,205.00
$1,205.00 - $1,205.00

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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Perrin Black Pulley Cover 2015-2021 WRX

$141.10
$141.10 - $141.10
$141.10
$166.00
$166.00 - $166.00
$166.00

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 ...

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Perrin Neon Yellow Cam Solenoid Cover 2015+ WRX

$175.10
$175.10 - $175.10
$175.10
$206.00
$206.00 - $206.00
$206.00

Conceal the ugly OEM covers with the PERRIN Cam Solenoid Covers. Made from CNC machined aluminum and anodized black, blue, neon yellow, or red to ...

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Perrin Black Intercooler Shroud 2015-2021 WRX

$289.85
$289.85 - $289.85
$289.85
$341.00
$341.00 - $341.00
$341.00

The PERRIN Engine Cover Kit replaces the OEM plastic engine cover, adding color and style to your engine bay. ENGINE DRESS-UP Add a bit of flair a...

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Perrin Pitch Stop Brace 2015-2021 WRX / 2015-2021 STI

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

The OEM Subaru pitch stop brackets fail over time. Help prevent this failure with the PERRIN Pitch Stop Brace.  THE PROBLEM WITH THE OEM PITCH STO...

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Perrin Silver Top Mount Intercooler 2015-2021 WRX

$756.50
$756.50 - $756.50
$756.50
$890.00
$890.00 - $890.00
$890.00

Add a consistent 10+ wheel horsepower with one of the largest Top Mounted Intercoolers on the market! We pushed every dimension to make this the b...

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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.