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2015-2021 Subaru WRX Engine Parts

COBB Tuning Silicone Radiator Hose Kit 2015-2021 WRX

$105.00
$105.00 - $105.00
$105.00
$105.00 - $105.00

DESCRIPTION Upgrade the look and performance of your engine bay with the COBB Tuning Silicone Radiator Hoses. These 3-ply reinforced silicone hoses...

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COBB Tuning Black 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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COBB Tuning Redline Carbon Fiber Intake 2015-2021 WRX

$875.00
$875.00 - $875.00
$875.00
$875.00 - $875.00

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 Red 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 Red 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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Revel GT Dry Carbon Fuse Box Cover 2008-2021 WRX/STI

$137.75
$137.75 - $137.75
$137.75
$145.00
$145.00 - $145.00
$145.00

ENHANCE INTERIOR Enhance the look of the interior with perfectly fitted dry carbon overlays. Using various methods of extensive testing for eac...

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GrimmSpeed Front Mount Intercooler Bumper Bar 2015-2021 WRX/STI

$219.00
$219.00 - $219.00
$219.00
$219.00 - $219.00

DESCRIPTION To help keep chassis deflection at bay and to keep any large dents out of your front fascia we’re offering the GrimmSpeed Bumper Bar as...

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COBB Tuning Redline Stage 1 + Carbon Fiber Power Package 2015-2021 WRX

$1,428.00
$1,428.00 - $1,428.00
$1,428.00
$1,505.00
$1,505.00 - $1,505.00
$1,505.00

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 Neon Yellow Radiator Shroud 2015-2021 WRX / 2015-2021 STI

$119.00 - $182.75
$119.00 - $182.75
$119.00
$140.00 - $215.00
$140.00 - $215.00
$140.00

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 Black 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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Compressive Tuning Intercooler Guard 2015-2021 WRX

$135.00
$135.00 - $135.00
$135.00
$135.00 - $135.00

Compressive Tuning Intercooler Guard 2022+ WRX Introducing AirShields by Compressive Tuning – the ultimate combination of durability, fu...

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CSF 2-Row Black Radiator 2008-2021 WRX / 2008-2021 STI

$485.00
$485.00 - $485.00
$485.00
$509.00
$509.00 - $509.00
$509.00

SPECS: 100% all-aluminum TIG-welded construction New black finish to provide a cleaner look Includes CNC-machined mounting brackets 2-row 42mm ult...

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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...

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Perrin Black 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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OLM LE Dry Carbon Fiber Fuse Box Cover 2015-2021 WRX / 2015-2021 STI

$132.00
$132.00 - $132.00
$132.00
$132.00 - $132.00

DESCRIPTION The OLM LE Dry Carbon Fiber Fuse Box Cover was hand crafted with great attention to detail. Each piece is cared for and goes through a ...

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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 ...

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GrimmSpeed Red Lightweight Crank Pulley 2015-2021 WRX

$149.00
$149.00 - $149.00
$149.00
$149.00 - $149.00

DESCRIPTION The GrimmSpeed Red Lightweight Crank Pulley reduces the rotational mass of the system, allowing your engine to accelerate and decelerat...

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COBB Tuning TMIC Coupler 2008-2021 WRX

$80.00
$80.00 - $80.00
$80.00
$80.00 - $80.00

The COBB TMIC Coupler replaces the leak-prone factory hose and looks good while doing so! Over time the factory hoses become brittle and crack. T...

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Perrin Black 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 Black Cold Air Intake 2015-2021 WRX

$399.50
$399.50 - $399.50
$399.50
$470.00
$470.00 - $470.00
$470.00

Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucia...

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Perrin High-Flow Replacement Air Filter 2002-2026 WRX / 2004-2021 STI

$56.95 - $64.60
$56.95 - $64.60
$56.95
$67.00 - $76.00
$67.00 - $76.00
$67.00

The PERRIN High Flow Washable Replacement Air Filter is the last filter you will ever need to buy. Not only is it washable, but it will increase ho...

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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...

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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...

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Forced Performance Blue Turbocharger 2015-2021 WRX

$1,709.10 - $2,199.00
$1,709.10 - $2,199.00
$1,709.10
$1,899.00
$1,899.00 - $2,199.00
$1,899.00

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

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Whiteline Pitch Stop Mount 2002+ WRX / 2004-2021 STI

$109.41
$109.41 - $109.41
$109.41
$145.88
$145.88 - $145.88
$145.88

Subaru designed the pitch stop mount to assist in controlling the engine and drivetrain forward and aft twisting motion. The pitch stop is inheren...

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GrimmSpeed Splatter Red Black 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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IAG Black 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...

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IAG Spec Nostrum High-Flow Direct Fuel Injector Set 2015-2021 WRX

$968.99
$968.99 - $968.99
$968.99
$968.99 - $968.99

THE IAG SPEC HIGH-FLOW DIRECT FUEL INJECTOR SET BY NOSTRUM IAG Performance and Nostrum have joined forces to develop the IAG Spec High-Flow D...

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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...

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

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

DESCRIPTION The COBB Tuning Subaru Redline Gloss Carbon Fender Shrouds for the 2015–2021 WRX and STI bring a premium look and feel to your engine b...

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Perrin Carbon Fiber Strut Tower Brace 2015-2021 WRX/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...

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COBB Tuning 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 results...

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COBB Tuning Can Flex Fuel Upgrade + Fuel Pressure Kit 2018-2021 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 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...

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

$136.00
$136.00 - $136.00
$136.00
$160.00
$160.00 - $160.00
$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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COBB Tuning Delrin Oil Cap 2002-2026 WRX / 2004-2021 STI

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

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

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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.