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.

Free Shipping
30-Day Returns
H

HKS

HKS DryCarbon Suction kit VAB/GVB/GRB EJ20

H

HKS

HKS 08-11 STi SSQV4 BOV kit

Cusco 01-07 Subaru GDB STi Turbo Heat Shield & Air Intake Silicone Hose Set

Cusco

Cusco 01-07 Subaru GDB STi Turbo Heat Shield & Air Intake Silicone Hose Set

H

HKS

HKS SUPER SQV 4 GC8/GF8(F-G)/BH5/BE5(A-C) EJ2

P

Perrin Performance

PERRIN 02-07 Subaru WRX/STi Air Oil Separator Kit - Black

P

Perrin Performance

PERRIN 02-14 Subaru WRX / 04-21 STI / 05-09 LGT & OBXT (w/FMIC Only) Air Oil Separator - Red

H

HKS

HKS Super SQV 4+RETURN KIT GRB/GRF

H

HKS

HKS RS BE5/BH5 (D) EJ208 SG5/SG9 EJ2 5

H

HKS

HKS CHRA GT II 7460 (EJ25)

MAHLE Original Subaru Baja 06-04 Plenum Chamber

Victor Reinz

MAHLE Original Subaru Baja 06-04 Plenum Chamber

W

Weapon R

Weapon R 05-07 Subaru Impreza 2.2L / 2.5L (Neo-Ti) Secret Weapon Intake

C

COBB

Cobb 04-07 Subaru STi / 02-07 WRX / 04-08 FXT Intake + Airbox

W

Weapon R

Weapon R 09 Subaru Impreza GT2.5L Turbo (NSWP) (Neo-Ti) Secret Weapon Intake

C

COBB

Cobb 11-14 Subaru WRX Hatch / 08-14 STi Hatch 3in Titanium Cat-Back Exhaust

C

COBB

Cobb 08-14 Subaru WRX Front Mount Intercooler Kit - Silver

COBB auto part

COBB

Cobb 04-06 Subaru STI Side Feed To Top Feed Fuel Rail Conversion Kit w/ Fittings

Weapon R auto part

Weapon R

Weapon R 03-05 WRX/STi Engine Damper

C

COBB

Cobb Subaru SF Intake + Airbox

Gates auto part

Gates

Gates 80-97 Chevrolet C/K Series Pickup 5.7L V8 Pre-Release Fuel Cap

W

Weapon R

Weapon R 02-06 Subaru WRX/Baja Turbo Models (NSWP) Neo Titanium Secret Weapon Intake

C

COBB

Cobb 04-07 Subaru WRX / STI Front Mount Intercooler Kit

C

COBB

COBB Silicone Turbo Inlet V2 - Black - 2008-2021 Subaru STI

Weapon R polished intake system

Weapon R

Weapon R 99 Subaru Impreza/Forester/Legacy 2.2L/2.5L Dragon Intake Polished

C

COBB

Cobb 11-14 Subaru STI Front Mount Intercooler Kit - Silver

C

COBB

Cobb 04-07 Subaru WRX / STI Front Mount Intercooler Kit - Silver

C

COBB

Cobb 08-14 Subaru WRX / 05-09 Outback XT & Legacy GT Turbo Inlet V2 - Stealth Black

C

COBB

Cobb 08-14 Subaru STi Front Mount Intercooler Kit - Black

G

Greddy

GReddy 05-07 Subaru WRX/STI Type FV2 Blow Off Valve Kit w/ Adapter and Recirc. Tube

C

COBB

Subaru SF Intake + Airbox

Injen black auto part

Injen

Injen 13-20 Subaru BRZ 2.0L / 06-17 Subaru WRX/STI 2.0L/2.5L X-Pedal Pro Black Edition Throttle Cont

Injen black auto part

Injen

Injen 15-20 Lexus RC 350 3.5L X-Pedal Pro Black Edition Throttle Controller

Weapon R intake system

Weapon R

Weapon R 2009 Subaru Impreza GT 2.5L Turbo Secret Weapon Intake

Weapon R intake system

Weapon R

Weapon R 00-04 Impreza / Forester/ Legacy 2.2L & 2.5L Secret Weapon Intake

aFe auto part

aFe

aFe 2006+ Subaru Forester H4 2.5L Pedal 2 Metal Throttle Enhancer

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi/WRX Black Turbo 84mm Black Housing Internal WG w/Oil Line (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi Red Turbo 84mm Black Housing 18PSI TiAL MVI WG w/Oil Line (D/S Only)

F

Forced Performance

Forced Performance Subaru STi Red Turbo 84mm Black Turbine Housing External WG w/Oil Line (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi Red Turbo 84mm Black Housing 18PSI TiAL MVI WG w/Oil Line (D/S Only)

F

Forced Performance

Forced Performance Subaru STi Green Turbo 84mm Black Housing 18PSI TiAL MVI WG w/Oil Line (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi Blue Turbo 84mm Black Housing 18PSI TiAL MVI WG w/Oil Line (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi/WRX Blue Turbo 58mm Black Housing External WG w/Oil Line (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi Blue Turbo 58mm Black Housing External WG w/Oil Line (Drop Ship Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi Blue Turbo 58mm Black Housing Internal WG w/Oil Line (Drop Ship Only)

Forced Performance black auto part

Forced Performance

Forced Performance Mitsubishi Evo 9 Red Turbo Journal Bearing Black Housing w/18PSI WG (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi Green UHF Turbo 84mm Black Housing MVI WG w/Oil Line (Drop Ship Only)

F

Forced Performance

Forced Performance Subaru STi Green UHF Turbo 60mm Black Housing External WG w/Oil Line (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi Green UHF Turbo 60mm Black Housing MVI WG w/Oil Line (Drop Ship Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi Green UHF Turbo 60mm Black Housing Internal WG w/Oil Line (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi 7151S UHF Turbo 58mm Black Housing Internal WG w/Oil Line (D/S Only)

F

Forced Performance

Forced Performance Subaru STI XR Blue 73HTZ Turbo 58mm Black Housing Ext WG w/Oil Line (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi/WRX Black Turbo 84mm Black Housing External WG w/Oil Line (D/S Only)

Forced Performance black auto part

Forced Performance

Forced Performance Subaru STi/WRX Black Turbo 84mm Black Housing External WG w/Oil Line (D/S Only)

Radium Engineering auto part

Radium Engineering

Radium Engineering Top Feed Upgrade Subaru EJ22/EJ251

DeatschWerks fuel pump

DeatschWerks

DeatschWerks 05-09 Subaru Legacy GT / 08-14 WRX / 08-21 STI DW430C 430lph Compact Fuel Pump

D

DeatschWerks

DeatschWerks Set of 4 2400cc Injectors for Subaru WRX 02-14/Legacy GT 07-12/STI 07-15

Forced Performance auto part

Forced Performance

Forced Performance Subaru STi/WRX Blu UHF BB Turbo 58mm CH7CM Trbn Hsg Ported Internal WG w/Oil Line

Forced Performance auto part

Forced Performance

Forced Performance Subaru STi/WRX 7151S UHF Turbo 58mm CH7CM Turbine Hsg Internal WG w/Oil Line

Forced Performance blue auto part

Forced Performance

Forced Performance Subaru STi/WRX Blue Turbo BB LOPE 58mm CH8 CM Turbine Hsg External WG w/Oil Line

Forced Performance blue auto part

Forced Performance

Forced Performance Subaru STi/WRX Blue Turbo BB LOPE 58mm CH8 CM Turbine Hsg Internal WG w/Oil Line

Forced Performance auto part

Forced Performance

Forced Performance Mitsubishi Evo 9 Green XR57SR Turbo Journal Brg MHI 9.0CM Turbine Hsg w/18PSI WG

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