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
CP Pistons auto part

CP Pistons

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+0.5mm) - CR (9.0) Set of 4

CP Pistons auto part

CP Pistons

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.5mm) - Size (STD) - CR (9.0)

Clevite auto part

Clevite

Clevite Subaru 1.8 2.2 2.5 EJ Series Main Bearing Set

CP Pistons auto part

CP Pistons

CP Piston & Ring Set for Subaru EJ257 WRX STI - Bore (100.5mm) - Size (+1.0mm) - CR (8.5) - Set

JE Pistons auto part

JE Pistons

JE Pistons SUB EJ25 SOHC 11.5:1 KIT Set of 4 Pistons

Manley Performance auto part

Manley Performance

Manley 04+ Subaru WRX/STI EH257 99.55mm Bore +.05mm Size 8.5:1 Dish Piston Set

Clevite auto part

Clevite

Clevite Subaru 1.8 2.2 2.5 EJ Series Con Rod Bearing Set

CP Pistons auto part

CP Pistons

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.0mm) - Size (+0.5mm) - CR (9.0)

ACL auto part

ACL

ACL Subaru FA20 Standard Size Main Bearing Set w/ +.005in OD

ACL auto part

ACL

ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #3 Position) 0.50mm Oversized High Performance Main Bearing

ACL auto part

ACL

ACL Subaru FA20 Standard Size Main Bearing Set w/ +.002in OD

NGK auto part

NGK

NGK Ruthenium HX Spark Plug - Box of 4 (LFR6BHX)

INTRMTR PCV VALVE

STANDARD IGN

INTRMTR PCV VALVE

STANDARD IGN auto part

STANDARD IGN

PCV VALVE

D

DAYCO HYDRAULIC

SERPENTINE BELT

D

DAYCO HYDRAULIC

IDLER/TENSIONER PULLEYS

T

TIMKEN

SEAL

G

Goodyear

SERPENTINE BELT MULTI VBELTK MULTI VBELT

D

DAYCO HYDRAULIC

FAN BELT

DEA PRODUCTS auto part

DEA PRODUCTS

1984-1989 MERCEDES-BENZ

D

Dana

CAMSHAFT SEAL KIT

D

Dana

TIMING COVER GASKET SET

C

Cloyes Gear & Products

TIMING BELT SUBARU 1996

W

WIX

WIX XP SPIN-ON LUBE FILTER

STABILIZER BAR LINK

Dorman

STABILIZER BAR LINK

WIX XP OIL FILTER

WIX

WIX XP OIL FILTER

SUBARU 2457CC 2.5L EJ255 EJ257 2004-2008

Mahle

SUBARU 2457CC 2.5L EJ255 EJ257 2004-2008

SENSOR CAMSHAFT POSITION

Hella

SENSOR CAMSHAFT POSITION

C

Clevite

SUBARU 2457CC 2.5L EJ255 EJ257 20042009 THROTTLE BODY GASKET

C

Clevite

SUBARU 2458CC 2.5L EJ251 SOHC 16V 2004 IMPREZA INTAKE MANIFOLD SET

C

Clevite

SUBARU 2457CC 2.5L EJ255 EJ257 20042008 CAMSHAFT SEAL SET

2014-2015 SUBARU FB25

Mahle

2014-2015 SUBARU FB25

S

Subaru

Subaru OEM Spark Plug Well Gasket Subaru Models (inc. 2002-2014 WRX / 2004 STI)

B

Bosch

OIL FILTER

C

Clevite

EXHAUST GAS RECIRCULATION VALVE GASKET

C

Clevite

AC;CLAR;CONT;MF:N62N50 ENGS(K)GGA SERIES WHEEL TRACTOR MF:PONY SERIES II CYLINDER HEAD GASKET

Company23 FA/FB Intake/Exhaust Cam Pin Kit Subaru Models inc. Forester 2011 / Scion FR-S 2013-2016

Company23

Company23 FA/FB Intake/Exhaust Cam Pin Kit Subaru Models inc. Forester 2011 / Scion FR-S 2013-2016

Company23 Serpentine Crank Pulley Pin Kit Subaru Models inc. Forester 2011 / Scion FR-S 2013-2016 /

Company23

Company23 Serpentine Crank Pulley Pin Kit Subaru Models inc. Forester 2011 / Scion FR-S 2013-2016 /

C

Clevite

SUBARU 2.0L 1994CC 20022005 EJ205 VALVE COVER GASKET (LEFT)

M

Mahle

Conversion Set SUBARU 2212CC 2.2L EJ22# 1999-2001

AIR CHARGE TEMPERATURE SENSOR

NGK

AIR CHARGE TEMPERATURE SENSOR

M

Mahle

*USE: MCICB-1850P BEARINGS Main Bearing Set

M

Mahle

SUBARU 2457CC 2.5L EJ255 EJ257 2004-2008

C

Clevite

VALVE COVER SET

M

Mahle

Turbocharger Oil Line Gasket G33869

Various Heavy Duty Applications

Mahle

Various Heavy Duty Applications

S

Subaru

Subaru OEM Cylinder Head Plug Subaru WRX 2002-2007 / STI 2004-2007

Subaru Flange Bolt

Subaru

Subaru Flange Bolt

B

Bosch

OIL FILTER

C

Clevite

CONN. ROD BEARING SET

C

Clevite

CONN. ROD BEARING SET

Gates 2008 Subaru Legacy 4-Cyl. 2.5L PCV Valve Crankcase Vent Valves

Gates

Gates 2008 Subaru Legacy 4-Cyl. 2.5L PCV Valve Crankcase Vent Valves

GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - Single

GSC Power Division

GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - Single

B

Brian Crower

Brian Crower Subaru EJ205-WRX / EJ257-STi Titanium Retainer

King Engine Bearings Subaru EJ20/EJ22/EJ25 (Incl. Turbo) (Size 0.05) Main Bearing Set

King Engine Bearings

King Engine Bearings Subaru EJ20/EJ22/EJ25 (Incl. Turbo) (Size 0.05) Main Bearing Set

King Engine Bearings auto part

King Engine Bearings

King Engine Bearings Subaru EJ20/EJ22/EJ25 (Including Turbo) SI-Series Main Bearing (Set of 5)

King Engine Bearings auto part

King Engine Bearings

King Engine Bearings Subaru Ea81/Ea81T/Ea82/Ea82T (Size +0.50mm) Connecting Rod Bearing Set

Wiseco auto part

Wiseco

Wiseco 92.5mm Ring Set w/ tabbed oil set Ring Shelf Stock

King Engine Bearings auto part

King Engine Bearings

King Subaru EJ20/EJ22/EJ25 (Including Turbo) Silicone Bi-Metal Alum Rod Bearing Set - Size STD

Wiseco auto part

Wiseco

Wiseco 93.0mm Ring Set w/ tabbed oil set Ring Shelf Stock

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