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 engines and components Parts

789 parts available

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

Free Shipping
30-Day Returns
Kelford Cams auto part

Kelford Cams

Kelford EJ20 EJ25 STI Dual AVCS Cams 220-D

Kelford Cams auto part

Kelford Cams

Kelford Subaru WRX Version 5 (non AVCS) Performance Cam

Tomei auto part

Tomei

CAMSHAFT PROCAM EJ25 EX 272-10.80

K

Kelford Cams

Kelford Subaru EJ20 JDM Version 7-10 cam set

Kelford Cams auto part

Kelford Cams

Kelford High lift 272 degree racing camshaft Subaru EJ25 Sti 2005-on AVCS

IAG Performance auto part

IAG Performance

IAG 750 Closed Deck Long Block Engine

Kelford Cams auto part

Kelford Cams

Kelford Subaru WRX Version 5 (non AVCS) Performance Cam

Ferrea Racing intake system

Ferrea Racing

Ferrea Subaru FA20 35mm 5.46mm 105mm 10 Deg S-Flo Flat Head Stock Comp Plus Intake Valve - Set of 8

Kelford Cams auto part

Kelford Cams

Kelford Stage 2 Performance Camshafts Subaru EJ257B 2008 STi

Ferrea Racing titanium springs

Ferrea Racing

Ferrea Subaru STI Double Spring 6 Deg Pro CNC Titanium Retainer - Set of 16

Ferrea Racing titanium springs

Ferrea Racing

Ferrea Subaru STI Double Spring 6 Deg Pro CNC Titanium Retainer - Set of 16

Tomei auto part

Tomei

BERYLIUM VALVE SEAT RING SET EJ205 EJ207 EJ255 EJ257

Ferrea Racing springs

Ferrea Racing

Ferrea Subaru EJ20 241lbs Rate Inch Dual Valve Spring - Set of 16

Ferrea Racing springs

Ferrea Racing

Ferrea Subaru WRX STI Turbo Dual Spring Kit

IAG Performance red auto part

IAG Performance

IAG PTFE Flex Fuel System Kit w/ 1050cc Injectors Lines FPR Red Fuel Rails for 08-14 WRX

Ferrea Racing titanium springs

Ferrea Racing

Ferrea Subaru EJ20 Double Spring 6 Deg Pro CNC Titanium Retainer - Set of 16

Ferrea Racing springs

Ferrea Racing

Ferrea Subaru STI Dual Valve Spring - Set of 16

F

Ferrea Racing

Ferrea Subaru STI Dual Special Alloy Valve Spring - Set of 16

Tomei auto part

Tomei

CAMSHAFT PONCAM EJ25 EX 254-10.30

Tomei auto part

Tomei

FORGED PISTON KIT EJ25 99.75mm CH30.70 (STD 2.6)

IAG Performance auto part

IAG Performance

IAG Performance 550 Short Block Includes: Case Halves

Ferrea Racing exhaust

Ferrea Racing

Ferrea Subaru EJ20 33mm 5.96mm 104.75mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 8

J

JE Pistons

SUBARU EJ25 SOHC 4V DISH -18CC 100M

J

JE Pistons

SUBARU EJ20 STROKER ULTRA SERIES 8.

J

JE Pistons

SUB EJ25 ULTRA SERIRES 9.5

J

JE Pistons

SUB EJ20 ULTRA SERIES 8.5:1

J

JE Pistons

SUB EJ25 99-04 KIT

ACL auto part

ACL

ACL Bearings IAG BULK PACK (480 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

ACL auto part

ACL

ACL Bearings IAG BULK PACK (600 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

C

Clevite

Clevite Subaru 4 1815-2212cc 1990-98 Main Bearing Set

J

JE Pistons

SUB EJ25 99-04 KIT

JE Pistons auto part

JE Pistons

SUB EJ25 95-98 KIT

JE Pistons auto part

JE Pistons

SUB EJ25 95-98 KIT

ACL auto part

ACL

ACL Bearings IAG BULK PACK (80 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

ACL auto part

ACL

ACL Bearings IAG BULK PACK (480 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

A

ACL

ACL Bearings IAG BULK PACK (600 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

A

ACL

ACL Bearings IAG BULK PACK (80 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

ACL auto part

ACL

ACL Bearings IAG BULK PACK (480 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

A

ACL

ACL Bearings IAG BULK PACK (360 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

ACL auto part

ACL

ACL Bearings IAG BULK PACK (360 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

ACL auto part

ACL

ACL Bearings IAG BULK PACK (600 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

ACL auto part

ACL

ACL Bearings IAG BULK PACK (600 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

N

NGK

ENGINE CRANKSHAFT POSITION SENSOR

J

JE Pistons

SUBARU EJ20 HEAD/ EJ25 BLOCK ULTRA

NGK auto part

NGK

ENGINE CAMSHAFT POSITION SENSOR

Clevite auto part

Clevite

EVAPORATOR

JE Pistons auto part

JE Pistons

SUB FA20/TY 4UGS KIT

J

JE Pistons

SUB STI EJ257 KIT

J

JE Pistons

SUB STI EJ257 9.5KIT

JE Pistons auto part

JE Pistons

CHEVY BB 21CC DOME 1.645 X 4.250

C

Clevite

PISTON WITH RINGS

C

Carrillo

BCRE1215-020

J

JE Pistons

RED - CHEVY 350 FLAT TOP

Engine Cylinder Head Bolt Set - 14-11012-01

Victor Reinz

Engine Cylinder Head Bolt Set - 14-11012-01

EN VAR TIME SOLENOID

NGK

EN VAR TIME SOLENOID

JE Pistons auto part

JE Pistons

SUBARU EJ25 SOHC 4V DISH -18CC 99.5

J

JE Pistons

SUBARU EJ25 DOHC 4V INVDME -23CC 99

J

JE Pistons

SUBARU EJ20 HEAD/ EJ25 BLOCK ULTRA

C

Clevite

HV CYLINDER COMPONENTS & KITS

C

Clevite

IN FRAME KIT

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