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
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
CATEGORIES
Top product categories for the Subaru Impreza
BRANDS
Top brands for Subaru Impreza builds
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.

NGK
MANIFOLD ABSOLUTE PRESSURE SENSOR

HPS Performance
Radiator Heater Hose

Bosch
OXYGEN SENSOR

Perrin Performance
PERRIN 02-07 Subaru WRX/STI Front Mount Intercooler Boost Tube Kit - Black

HKS
HKS GT II 7460 STK GRF/GVF
Walbro
Fuelab 494 High Output In-Tank Electric Fuel Pump - 340 LPH In In-Line From Out
Bosch
OXYGEN SENSOR
Subaru
Subaru OEM Front Oxygen Sensor Subaru STI 2008-2014

Denso
O2 SENSOR

Denso
O2 OXYGEN SENSOR

Denso
O2 SENSOR

Denso
OXYGEN SENSOR

Bosch
OXYGEN SENSOR

NGK
NTK MASS AIR FLOW SENSOR

Denso
FUEL PUMP AND STRAINER SET
NGK
MANIFOLD ABSOLUTE PRESSURE SENSOR
Walbro
PUMP & KIT ASSY

NGK
NTK MASS AIR FLOW SENSOR
HPS Performance
HPS Performance Performance Cold Air Intake Kit 08-14 Subaru WRX 2.5L Turbo Converts to Shortram Polish
HPS Performance
Performance Air Intake

GrimmSpeed
Grimmspeed Hood Scoop Splitter Subaru Forester XT 2004-2008

HPS Performance
Performance Air Intake

Boomba Racing
Boomba Racing Blow Recirculating Bypass Valve Red Subaru STI

HPS Performance
HPS Performance Blue Reinforced Silicone Heater Hose Kit Coolant for Toyota 98-02 Land Cruiser 4.7L V8

Denso
O2 OXYGEN SENSOR

COBB
Cobb Tuning Subaru Front Mount Intercooler Kit (Silver) STI 2015-2021

Bosch
HONDA/ACURA CRANK HOLDING TOOL

NGK
MANIFOLD ABSOLUTE PRESSURE SENSOR
Bosch
OXYGEN SENSOR
Bosch
OXYGEN SENSOR

Hella
AIR MASS SENSOR

Denso
MANIFOLD ABSOLUTE PRESSURE SENSOR
GrimmSpeed
GrimmSpeed Hood Scoop Splitter Subaru WRX 2002-2003

Bosch
MANUAL SLEEVE PULLER SET

HPS Performance
HPS Performance Blue Reinforced Silicone Radiator and Heater Hose Kit Coolant for Ford 86-93 Mustang GT / Cobra

Bosch
OXYGEN SENSOR

NGK
NTK MG0035 MAF SENSOR

COBB
Cobb Tuning Subaru High Flow Fuel Pump STI 2004-2007 WRX 2002-2007

Bosch
OXYGEN SENSOR
Greddy
Greddy BLOW OFF VALVE KIT TYPE-FV GDB

HPS Performance
Performance Air Intake
HPS Performance
Performance Air Intake

Denso
O2 OXYGEN SENSOR
NGK
NTK MA0194 PRESSURE SENSOR

K&N Engineering
K&N 02-07 WRX/STi Wrinkle Red Typhoon Short Ram Intake

K&N Engineering
K&N 02-07 WRX/STi Silver Typhoon Short Ram Intake

K&N Engineering
K&N 05-08 LGT / 08-11 WRX / STi Drop In Air Filter

GrimmSpeed
GrimmSpeed 02-07 WRX / 04-10+ STi RED Air Oil Separator

Injen
Injen 02-07 WRX/STi Polished Short Ram Intake

Injen
Injen 04-07 STi / 06-07 WRX 2.5L Wrinkle Red Cold Air Intake

Injen
Injen 08-13 Subaru WRX/STi 2.5L (t) Wrinkle Red Cold Air Intake

K&N Engineering
K&N 17-18 Subaru Impreza 2.0L H4 F/I Typhoon Short Ram Intake

Injen
Injen 00-01 Subaru Impreza RS 2.5L Black Cold Air Intake **SPECIAL ORDER**

Injen
Injen 05-07 Subaru Impreza RS 2.5L-4cyl Polished Cold Air Intake

Turbosmart
Turbosmart BOV Kompact Plumb Back - Subaru

Forced Performance
Forced Performance Subaru STi Green Turbo 8cm Blk Hsg Ext WG w/Oil Line/Porting/Coat(Drop Ship Only)

Injector Dynamics
Injector Dynamics ID1050X Injectors - 60mm Length - 11mm Blue Top - 14mm Lower O-Ring (Set of 2)

Torque Solution
Torque Solution 02-07 Subaru WRX/04-21 STI HD Hard Turbo Inlet - Carbon Fiber - OEM / 2.4in Inlet

Torque Solution
Torque Solution 02-07 Subaru WRX/04-21 STI HD Hard Turbo Inlet - Carbon Fiber - OEM / 3.3in Inlet

Torque Solution
Torque Solution 02-07 Subaru WRX/04-21 STI HD Hard Turbo Inlet Carbon Fiber - OEM / 3in Inlet
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