THE WRX FOUNDATION

The base platform that gave the world the WRX and STI — and a strong tuner scene of its own.

Subaru Impreza HERITAGE

THE BOXER-AWD COMPACT

The Subaru Impreza is the base car beneath the WRX, but enthusiasts have been modifying the naturally-aspirated 2.0 / 2.5 base Imprezas for decades. AWD architecture, boxer engine layout, and Subaru's flat-four soundtrack come standard.

MOTORMIA Impreza builds include rally-spec dirt cars, autocross weekend cars, daily-driver Outback Sport conversions, and budget tuner builds. Many WRX bolt-on parts (intakes, exhausts, suspension) cross-fit the Impreza chassis with minor adapters.

Subaru Impreza ON MOTORMIA

THE NUMBERS

5,779
Parts that fit
4,000+
MOTORMIA Builds
PowerStop
#1 brand by SKUs
$623
Average MSRP

READY TO BUILD YOUR SUBARU IMPREZA?

Pick your year and trim to shop verified-fit Subaru Impreza parts.

Shop all Subaru Impreza parts →

Verified Fitment

Subaru Impreza Category:air and fuel Parts

1225 parts available

Shop aftermarket parts for the Subaru Impreza. Verified fitment, free shipping, 30-day returns.

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30-Day Returns
Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems black auto part

Extreme Turbo Systems

ETS Stock Turbo (1.75 ) - TiAL BOV - Wrinkle Black Subaru STI 06-07

Extreme Turbo Systems black auto part

Extreme Turbo Systems

ETS Stock Turbo (1.75 ) - TiAL BOV - Wrinkle Black Subaru STI 04-05

Extreme Turbo Systems black auto part

Extreme Turbo Systems

ETS Stock Turbo (1.75 ) - HKS BOV - Wrinkle Black Subaru STI 04-05

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems intercooler

Extreme Turbo Systems

ETS Top Mount Intercooler Upgrade - Anodized Purple - Stencil Subaru STI 04-07

E

Extreme Turbo Systems

ETS Top Mount Intercooler Upgrade - Anodized Purple Subaru STI 04-07

Extreme Turbo Systems silver intercooler

Extreme Turbo Systems

ETS 3.5 Intercooler Upgrade - Silver w/ Stencil Subaru STI 04-07

Extreme Turbo Systems red intercooler

Extreme Turbo Systems

ETS 3.0 Intercooler Upgrade - Anodized Red - Stencil Subaru STI 04-07

Extreme Turbo Systems intercooler

Extreme Turbo Systems

ETS 3.0 Intercooler Upgrade - Anodized Purple Subaru STI 04-07

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

B

Boomba Racing

STI 75MM THROTTLE BODY - SNAP ON

Dorman auto part

Dorman

FUEL VAPOR LEAK DETECTION PUMP FILT

S

Subaru

Subaru OEM IHI VF39 Turbocharger Subaru STI 2004-2006

N

NGK

ACCELERATOR PEDAL SENSOR

HPS Performance cold air intake

HPS Performance

Performance Air Intake

HPS Performance cold air intake

HPS Performance

Performance Air Intake

HPS Performance Blue Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2002 Impreza 2.5L Non Turbo Left Hand Drive

HPS Performance

HPS Performance Blue Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2002 Impreza 2.5L Non Turbo Left Hand Drive

Radiator Hose Kit

HPS Performance

Radiator Hose Kit

NGK auto part

NGK

MANIFOLD ABSOLUTE PRESSURE SENSOR

HPS Performance Red Reinforced Silicone Radiator Hose Kit Coolant for Toyota 84-95 4Runner 22RE Non Turbo EFI

HPS Performance

HPS Performance Red Reinforced Silicone Radiator Hose Kit Coolant for Toyota 84-95 4Runner 22RE Non Turbo EFI

H

HKS

HKS Racing Suction Kit-Reloaded SUBARU WRX STI GRB GV8

HPS Performance black cold air intake

HPS Performance

HPS Performance Performance Cold Air Intake Kit 08-14 Subaru WRX 2.5L Turbo Converts to Shortram Black

OXYGEN SENSOR

Bosch

OXYGEN SENSOR

D

Denso

SUBARU

Perrin Performance red intercooler

Perrin Performance

PERRIN 08-14 Subaru STI Front Mount Intercooler Boost Tube Kit - Red

Perrin Performance black intercooler

Perrin Performance

PERRIN 08-14 Subaru STI Front Mount Intercooler Boost Tube Kit - Black

GrimmSpeed auto part

GrimmSpeed

Grimmspeed Hood Scoop Splitter Subaru Models (inc. 2008-2014 WRX 2008-2014 STI)

H

HPS Performance

HPS Performance Performance Cold Air Intake Kit 08-14 Subaru WRX 2.5L Turbo Converts to Shortram Red

G

GrimmSpeed

GrimmSpeed Top Mount Intercooler Subaru WRX 2002-2007 STI 2004 Forester XT 2004-2007

K

K&N Engineering

COLD AIR IMPREZA 07-09

Denso auto part

Denso

O2 OXYGEN SENSOR

HPS Performance blue auto part

HPS Performance

HPS Performance HPS Blue Silicone Radiator + Heater Hose Kit for 01-05 Lexus IS300 w/ JZS170 Crown 1JZ VVTi

GrimmSpeed auto part

GrimmSpeed

GrimmSpeed Hood Scoop Splitter Subaru WRX STI 2006-2007

HPS Performance black auto part

HPS Performance

HPS Performance Black Reinforced Silicone Radiator Hose Kit Coolant for Jeep 06-08 Grand Cherokee SRT8 6.1L V8 WK1

MASS AIR FLOW SENSOR

Denso

MASS AIR FLOW SENSOR

O2 OXYGEN SENSOR

Denso

O2 OXYGEN SENSOR

GrimmSpeed Boost Control Solenoid Subaru WRX 2002-2005

GrimmSpeed

GrimmSpeed Boost Control Solenoid Subaru WRX 2002-2005

HPS Performance red auto part

HPS Performance

HPS Performance Red Reinforced Silicone Radiator Heater and Ancillary Hose Kit Coolant for Subaru 02-03 Impreza WRX 2.0L Turbo

HKS auto part

HKS

HKS Premium Suction GRF/GVF EJ257

G

GrimmSpeed

GrimmSpeed Leading Front 4- Piston Brake Calipers - Satin Red - BRZ GT86 GR86 FRS

G

GrimmSpeed

GrimmSpeed Hood Scoop Splitter Subaru w JDM STI Scoop WRX 2002-2003

GrimmSpeed auto part

GrimmSpeed

GrimmSpeed Air Oil Separator Subaru WRX 2002-2007 STI 2004

Subaru intercooler

Subaru

Subaru JDM Intercooler Spray Kit

G

GrimmSpeed

GrimmSpeed Drive-by-Wire Throttle Body Gasket Subaru Models (inc. 2004 STI)

HPS Performance cold air intake

HPS Performance

Performance Air Intake

H

HPS Performance

HPS Performance Performance Shortram Air Intake 2008-2014 Subaru WRX 2.5L Turbo Includes Heat Shield Red

HPS Performance blue cold air intake

HPS Performance

HPS Performance Performance Cold Air Intake Kit 08-14 Subaru WRX 2.5L Turbo Converts to Shortram Blue

HPS Performance cold air intake

HPS Performance

Performance Air Intake

HPS Performance cold air intake

HPS Performance

Performance Air Intake

H

HPS Performance

HPS Performance Performance Shortram Air Intake 2008-2014 Subaru WRX 2.5L Turbo Includes Heat Shield Polish

HPS Performance cold air intake

HPS Performance

Performance Air Intake

THROTTLE POSITION SENSOR

NGK

THROTTLE POSITION SENSOR

Radiator Hose

HPS Performance

Radiator Hose

NGK auto part

NGK

NTK MA0067 PRESSURE SENSOR

FAQ

Frequently Asked Questions About the Subaru Impreza

What are the best aftermarket parts brands for the Subaru Impreza?

The top brands MOTORMIA owners trust for Subaru Impreza builds are PowerStop, EBC, Whiteline, Mishimoto, and Magnaflow. The catalog carries 5,779 parts that fit the Impreza. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.

What's the best trim or sub-model of the Subaru Impreza to modify?

The most-modified Impreza trims are 2.5RS and Outback Sport. These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the Impreza's engine family (EJ25 (naturally aspirated), FB20, FB25) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.

What's the typical mod path for a Subaru Impreza?

For most Subaru Impreza builds, the recommended modification order is: intake → exhaust → suspension → ECU tune → swap (if going turbo). This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for Subaru Impreza builds at every power level.

How does the Subaru Impreza aftermarket compare to the Subaru WRX?

The Subaru Impreza is the base AWD-boxer platform that became the WRX, with strong N/A and budget tuning support. On MOTORMIA, 5,779 parts fit the Impreza across 4,000+ active member builds, with an average part MSRP of $623. The decision usually comes down to which platform you own — both have full bolt-on catalogs.

Will any Subaru Impreza part fit my year and trim?

Not always. The Subaru Impreza has had multiple generations and engine changes (e.g., EJ25 (naturally aspirated), FB20, FB25), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the Impreza a part fits. Use the fitment selector at the top of any page to pre-filter to your build.

Does MOTORMIA offer returns on Subaru Impreza parts?

Yes. Most Subaru Impreza parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.

MOTORMIA APP

Build your Subaru Impreza with Mia

Personalized Subaru Impreza mod recommendations, verified fitment from real Impreza owners, and a garage that tracks every part on your build.

  • Mod recommendations tuned to your Impreza year, trim, and submodel
  • Verified fitment data from 4,000+ Subaru Impreza member builds
  • Performance gain estimates based on real-world results
  • Save your garage and track every part you've installed