Skip to content

Subaru STI Engine Parts

ETS Rotated Intercooler Piping Conversion Kit 2015-2021 STI

$245.00 - $495.00
$245.00 - $495.00
Current price $245.00
Original price $245.00 - Original price $495.00
Original price

This piping kit is used to convert your stock turbo ETS FMIC kit to work with the ETS rotated turbo kit. This kit won't work on any o...

View full details

ETS Titanium Stock Turbo Piping Kit 2015-2021 STI

$1,495.00 - $1,575.00
$1,495.00 - $1,575.00
Current price $1,495.00
Original price $1,495.00 - Original price $1,575.00
Original price

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

View full details

IAG Black V3 Top Feed Fuel Rails 2002-2014 WRX / 2007-2021 STI

$219.99
$219.99 - $219.99
Current price $219.99
Original price $219.99 - Original price $219.99
Original price

THE IAG V3 TOP FEED FUEL RAILS The IAG V3 Top Feed Fuel Rails are designed to increase the power ceiling on your Subaru’s fuel system. These fue...

View full details

IAG Stage 2 CNC Ported 11mm Oil Pump 2002-2014 WRX / 2004-2021 STI

$479.99
$479.99 - $479.99
Current price $479.99
Original price $479.99 - Original price $479.99
Original price

INCREASED OIL FLOW VOLUME AND PRESSURE The 11mm Subaru Oil pump is one of the most popular off the shelf pumps to use on EJ25 engines. Originally e...

View full details

OVERTAKE Top Mount Intercooler 2002-2007 WRX / 2004-2021 STI

$775.00
$775.00 - $775.00
Current price $775.00
Original price $775.00 - Original price $775.00
Original price

The factory Subaru top-mount intercooler on the 02-07 WRX and 04-21 STI was built to a stock power target. The tube-and-fin core is easy to damage ...

View full details

AEM DryFlow Air Filter 2019-2021 STI

$50.39
$50.39 - $50.39
Current price $50.39
Original price $50.39 - Original price $50.39
Original price

AEM Dryflow Air Filters are washable synthetic air filters designed for an optimum combination of air flow, filtration, and performance. AEM ...

View full details

FactionFab MLS Head to Exhaust Manifold Gasket 2002-2026 WRX / 2004-2021 STI

$12.00
$12.00 - $12.00
Current price $12.00
Original price $12.00 - Original price $12.00
Original price

This is a quality and durable gasket that will provide your vehicle with a durable seal to maintain the performance of your vehicle. Here are the d...

View full details

FactionFab MLS Turbo to Downpipe Gasket 2002-2014 WRX / 2004-2021 STI

$17.00
$17.00 - $17.00
Current price $17.00
Original price $17.00 - Original price $17.00
Original price

This is a quality and durable gasket that will provide your vehicle with a durable seal to maintain the performance of your vehicle. Here are the d...

View full details

FactionFab 3D Lava Turbo Blanket 2002-2014 WRX / 2004-2021 STI

$150.00
$150.00 - $150.00
Current price $150.00
Original price $150.00 - Original price $150.00
Original price

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

FactionFab Subaru Timing Belt Guide 2002-2014 WRX / 2004-2021 STI

$45.00
$45.00 - $45.00
Current price $45.00
Original price $45.00 - Original price $45.00
Original price

The factory Subaru timing belt guides are made out of a thin and flimsy steel and have a limited range of adjustment. The Faction Fab Timing Belt G...

View full details

OVERTAKE Reservoir Sock

$9.00
$9.00 - $9.00
Current price $9.00
Original price $9.00 - Original price $9.00
Original price

Overtake Brake Reservoir Sock - Prevent Leaks, Protect Your Vehicle, and Enhance Your Engine Bay Elevate your engine bay's appearance and protect y...

View full details

Perrin Black Air Oil Separator 2002-2021 WRX / 2004-2021 STI

Current price $396.75
$396.75 - $396.75
Current price $396.75
Original price $529.00
Original price $529.00 - Original price $529.00
Original price $529.00

The PERRIN Air Oil Separator removes oil vapors from crankcase gases before they reach the intake manifold. Its ceramic-coated, CNC-machined design...

View full details

OVERTAKE Maxx Flo Panel Filter 2008-2021 WRX / 2008-2018 STI

$75.00
$75.00 - $75.00
Current price $75.00
Original price $75.00 - Original price $75.00
Original price

Higher Flow with Excellent Filtration | Overtake Maxx Flo Panel Filters Experience next-level engine performance with the Overtake MaxxFlo Intake P...

View full details

OVERTAKE Silicone Turbo Inlet Hose 2002-2007 WRX / 2004-2021 STI

$280.00
$280.00 - $280.00
Current price $280.00
Original price $280.00 - Original price $280.00
Original price

The Overtake Turbo Inlet Hose is designed to optimize your vehicle’s airflow and performance. Constructed from durable 5-ply silicone, this turbo i...

View full details

OVERTAKE Hella Horn Harness 2015-2021 WRX / 2015-2021 STI

$38.00
$38.00 - $38.00
Current price $38.00
Original price $38.00 - Original price $38.00
Original price

Overtake Hella Horn Wiring Harness | Simple, Reliable, and Easy to Install Plug in your Hella Horns with our pre-assembled, high-quality Hella Horn...

View full details

OVERTAKE Hella Horn Mounting Bracket 2002-2021 WRX / 2004-2021 STI

$44.00
$44.00 - $44.00
Current price $44.00
Original price $44.00 - Original price $44.00
Original price

Overtake Hella Horn Mounting Bracket | Universal Fit, Adjustable, Durable Ever thought to yourself, "How do I let my crew know I'm coming?" Well, w...

View full details

OVERTAKE Post MAF Intake Hose Kit 2008-2014 WRX / 2008-2021 STI

$89.00
$89.00 - $89.00
Current price $89.00
Original price $89.00 - Original price $89.00
Original price

What if the air getting to your turbo was actually flowing smoothly? Your factory post-MAF hose is a wrinkled rubber accordion that disrupts airflo...

View full details

OVERTAKE Boost Control Solenoid 2002-2005 WRX / 2008-2021 STI

$139.00
$139.00 - $139.00
Current price $139.00
Original price $139.00 - Original price $139.00
Original price

Overtake 3-Port Electronic Boost Control Solenoid | Direct Fit & High-Resolution Boost Control The OVERTAKE 3-Port Electronic Boost Control Sol...

View full details

OVERTAKE Enlarged Bore Intake Manifold to TGV Gasket 2002-2007 WRX / 2004-2021 STI

$12.00
$12.00 - $12.00
Current price $12.00
Original price $12.00 - Original price $12.00
Original price

Overtake Intake Manifold Gasket | Be Done With Leaks Overtake Enlarged Bore Intake Manifold-to-TGV Gaskets are designed to enhance airflow and perf...

View full details

OVERTAKE TGV to Engine Gasket Set 2002-2026 WRX / 2004-2021 STI

$12.00
$12.00 - $12.00
Current price $12.00
Original price $12.00 - Original price $12.00
Original price

Overtake TGV Gasket | Be Done With Leaks Overtake TGV to Engine Gaskets are a must-have for any TGV removal or installation. We highly recommend re...

View full details

OVERTAKE Turbo Heatshield Reflective Gold Foil 2002-2014 WRX / 2004-2021 STI

$45.00
$45.00 - $45.00
Current price $45.00
Original price $45.00 - Original price $45.00
Original price

Your heat shield absorbs radiant heat from the turbo and re-radiates it right back at your intercooler — unless you do something about it. The OVER...

View full details

FactionFab Pitch Stop Mount 2002-2026 / 2004-2021 STI

$120.00
$120.00 - $120.00
Current price $120.00
Original price $120.00 - Original price $120.00
Original price

The pitch stop is designed to reduce front to back engine movement under acceleration and braking. In order to achieve maximum comfort, the factory...

View full details

Perrin Neon Yellow Cold Air Intake 2016-2017 STI

Current price $323.25
$323.25 - $323.25
Current price $323.25
Original price $431.00
Original price $431.00 - Original price $431.00
Original price $431.00

Increase horsepower and add under-hood style with the PERRIN Cold Air Intake. It features correct MAF alignment and tubing size to maintain proper ...

View full details

Perrin Hyper Pink Cold Air Intake 2016-2017 STI

Current price $323.25
$323.25 - $323.25
Current price $323.25
Original price $431.00
Original price $431.00 - Original price $431.00
Original price $431.00

Increase horsepower and add under-hood style with the PERRIN Cold Air Intake. It features correct MAF alignment and tubing size to maintain proper ...

View full details

Perrin Red Cold Air Intake 2016-2017 STI

Current price $307.50
$307.50 - $307.50
Current price $307.50
Original price $410.00
Original price $410.00 - Original price $410.00
Original price $410.00

Increase horsepower and add under-hood style with the PERRIN Cold Air Intake. It features correct MAF alignment and tubing size to maintain proper ...

View full details

HKS Stainless Steel Equal Length Exhaust Manifold 2006-2014 WRX / 2004-2021 STI

$770.00
$770.00 - $770.00
Current price $770.00
Original price $770.00 - Original price $770.00
Original price

DESCRIPTION  Experience enhanced exhaust performance with the HKS Equal Length Header (Exhaust Manifold) designed for the Subaru EJ25 motor. Compat...

View full details

OVERTAKE Up-Pipe Hardware Kit 2002-2014 WRX / 2004-2021 STI

$29.00
$29.00 - $29.00
Current price $29.00
Original price $29.00 - Original price $29.00
Original price

Overtake Up-Pipe Hardware Kit | Get Your Turbo Bolted Up Right If you've ever removed the turbo from your EJ powered Subaru, you know that the hard...

View full details

OVERTAKE Drive-By-Wire Throttle Body Gasket 2006-2007 WRX / 2004-2021 STI

$9.00
$9.00 - $9.00
Current price $9.00
Original price $9.00 - Original price $9.00
Original price

Keep your Subaru’s engine running exactly as it should with the OVERTAKE Drive-by-Wire Throttle Body Gasket. Designed for Subaru EJ engines includi...

View full details

OVERTAKE Intercooler BPV Gasket 2002-2007 WRX / 2004-2021 STI

$12.00
$12.00 - $12.00
Current price $12.00
Original price $12.00 - Original price $12.00
Original price

Overtake By-Pass Valve Gasket | Be Done With Leaks The OEM Subaru Top Mount Intercooler (TMIC) gaskets are notorious for causing the most frequent ...

View full details

Forced Performance 84mm Inlet Pipe 2002-2014 WRX / 2004-2021 STI

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

DESCRIPTION To match the flow capabilities of our 84mm Flow Advancement Port™ Compressor Cover Subaru turbos, we offer this 84mm silicone intake sy...

View full details

Corsa Veloce Competizione Silver Billet Intake Manifold 2006-2014 WRX / 2004-2021 STI

$2,499.99
$2,499.99 - $2,499.99
Current price $2,499.99
Original price $2,499.99 - Original price $2,499.99
Original price

CORSA VELOCE "COMPETIZIONE" SUBARU EJ FORWARD FACING BILLET INTAKE MANIFOLD THE CORSA VELOCE COMPETIZIONE BILLET INTAKE MANIFOLD ...

View full details

Corsa Veloce Competizione Black Billet Intake Manifold 2006-2014 WRX / 2004-2021 STI

$2,499.99
$2,499.99 - $2,499.99
Current price $2,499.99
Original price $2,499.99 - Original price $2,499.99
Original price

CORSA VELOCE "COMPETIZIONE" SUBARU EJ FORWARD FACING BILLET INTAKE MANIFOLD THE CORSA VELOCE COMPETIZIONE BILLET INTAKE MANIFOLD ...

View full details

Corsa Veloce Stradale Silver Billet Intake Manifold 2006-2007 WRX / 2004-2021 STI

$2,499.99
$2,499.99 - $2,499.99
Current price $2,499.99
Original price $2,499.99 - Original price $2,499.99
Original price

CORSA VELOCE "STRADALE" SUBARU EJ BILLET INTAKE MANIFOLD FOR OE 64MM DBW THROTTLE BODY THE CORSA VELOCE STRADALE BILLET INTAKE MA...

View full details

Perrin Neon Yellow Master Cylinder Brace 2015-2021 WRX / 2015-2021 STI

Current price $120.00
$120.00 - $120.00
Current price $120.00
Original price $160.00
Original price $160.00 - Original price $160.00
Original price $160.00

The PERRIN Master Cylinder Brace prevents unwanted movement of the master cylinder, allowing for increased brake pedal stiffness and response. REDU...

View full details

Perrin Blue Turbo Inlet Hose 2002-2007 WRX/ 2004-2021 STI

Current price $249.75
$249.75 - $249.75
Current price $249.75
Original price $333.00
Original price $333.00 - Original price $333.00
Original price $333.00

Why You Want It The PERRIN Turbo Inlet Hose, made with advanced silicone technology, outperforms the OEM part with a smoother, larger interior for...

View full details

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

Current price $87.75
$87.75 - $87.75
Current price $87.75
Original price $117.00
Original price $117.00 - Original price $117.00
Original price $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

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.

Whether you’re aiming for peak efficiency or high-octane power, our Subaru WRX STI engine upgrades deliver solutions tailored to your goals. For even greater customization, explore our range of Subaru STI aftermarket performance parts crafted to elevate every aspect of your engine’s performance.

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.