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 engines and components Parts
789 parts available
Shop aftermarket parts for the Subaru Impreza. Verified fitment, free shipping, 30-day returns.

Kelford Cams
Kelford EJ20 EJ25 STI Dual AVCS Cams 220-D

Kelford Cams
Kelford Subaru WRX Version 5 (non AVCS) Performance Cam

Tomei
CAMSHAFT PROCAM EJ25 EX 272-10.80
Kelford Cams
Kelford Subaru EJ20 JDM Version 7-10 cam set

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

IAG Performance
IAG 750 Closed Deck Long Block Engine

Kelford Cams
Kelford Subaru WRX Version 5 (non AVCS) Performance Cam

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
Kelford Stage 2 Performance Camshafts Subaru EJ257B 2008 STi

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

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

Tomei
BERYLIUM VALVE SEAT RING SET EJ205 EJ207 EJ255 EJ257

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

Ferrea Racing
Ferrea Subaru WRX STI Turbo Dual Spring Kit

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

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

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

Tomei
CAMSHAFT PONCAM EJ25 EX 254-10.30

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

IAG Performance
IAG Performance 550 Short Block Includes: Case Halves

Ferrea Racing
Ferrea Subaru EJ20 33mm 5.96mm 104.75mm 25 Deg Flo +1mm Super Alloy Exhaust Valve - Set of 8
JE Pistons
SUBARU EJ25 SOHC 4V DISH -18CC 100M
JE Pistons
SUBARU EJ20 STROKER ULTRA SERIES 8.
JE Pistons
SUB EJ25 ULTRA SERIRES 9.5
JE Pistons
SUB EJ20 ULTRA SERIES 8.5:1
JE Pistons
SUB EJ25 99-04 KIT

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

ACL
ACL Bearings IAG BULK PACK (600 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series
Clevite
Clevite Subaru 4 1815-2212cc 1990-98 Main Bearing Set
JE Pistons
SUB EJ25 99-04 KIT

JE Pistons
SUB EJ25 95-98 KIT

JE Pistons
SUB EJ25 95-98 KIT

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

ACL
ACL Bearings IAG BULK PACK (480 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series
ACL
ACL Bearings IAG BULK PACK (600 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series
ACL
ACL Bearings IAG BULK PACK (80 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

ACL
ACL Bearings IAG BULK PACK (480 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series
ACL
ACL Bearings IAG BULK PACK (360 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series

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

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

ACL
ACL Bearings IAG BULK PACK (600 pcs) Subaru 4 EJ20/EJ22/EJ25 Race Series
NGK
ENGINE CRANKSHAFT POSITION SENSOR
JE Pistons
SUBARU EJ20 HEAD/ EJ25 BLOCK ULTRA

NGK
ENGINE CAMSHAFT POSITION SENSOR

Clevite
EVAPORATOR

JE Pistons
SUB FA20/TY 4UGS KIT
JE Pistons
SUB STI EJ257 KIT
JE Pistons
SUB STI EJ257 9.5KIT

JE Pistons
CHEVY BB 21CC DOME 1.645 X 4.250
Clevite
PISTON WITH RINGS
Carrillo
BCRE1215-020
JE Pistons
RED - CHEVY 350 FLAT TOP

Victor Reinz
Engine Cylinder Head Bolt Set - 14-11012-01

NGK
EN VAR TIME SOLENOID

JE Pistons
SUBARU EJ25 SOHC 4V DISH -18CC 99.5
JE Pistons
SUBARU EJ25 DOHC 4V INVDME -23CC 99
JE Pistons
SUBARU EJ20 HEAD/ EJ25 BLOCK ULTRA
Clevite
HV CYLINDER COMPONENTS & KITS
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