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.

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

Clevite
Clevite Subaru 1.8 2.2 2.5 EJ Series Main Bearing Set

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

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

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

Clevite
Clevite Subaru 1.8 2.2 2.5 EJ Series Con Rod Bearing Set

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

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

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

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

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

STANDARD IGN
INTRMTR PCV VALVE

STANDARD IGN
PCV VALVE
DAYCO HYDRAULIC
SERPENTINE BELT
DAYCO HYDRAULIC
IDLER/TENSIONER PULLEYS
TIMKEN
SEAL
Goodyear
SERPENTINE BELT MULTI VBELTK MULTI VBELT
DAYCO HYDRAULIC
FAN BELT

DEA PRODUCTS
1984-1989 MERCEDES-BENZ
Dana
CAMSHAFT SEAL KIT
Dana
TIMING COVER GASKET SET
Cloyes Gear & Products
TIMING BELT SUBARU 1996
WIX
WIX XP SPIN-ON LUBE FILTER

Dorman
STABILIZER BAR LINK

WIX
WIX XP OIL FILTER

Mahle
SUBARU 2457CC 2.5L EJ255 EJ257 2004-2008

Hella
SENSOR CAMSHAFT POSITION
Clevite
SUBARU 2457CC 2.5L EJ255 EJ257 20042009 THROTTLE BODY GASKET
Clevite
SUBARU 2458CC 2.5L EJ251 SOHC 16V 2004 IMPREZA INTAKE MANIFOLD SET
Clevite
SUBARU 2457CC 2.5L EJ255 EJ257 20042008 CAMSHAFT SEAL SET

Mahle
2014-2015 SUBARU FB25
Subaru
Subaru OEM Spark Plug Well Gasket Subaru Models (inc. 2002-2014 WRX / 2004 STI)
Bosch
OIL FILTER
Clevite
EXHAUST GAS RECIRCULATION VALVE GASKET
Clevite
AC;CLAR;CONT;MF:N62N50 ENGS(K)GGA SERIES WHEEL TRACTOR MF:PONY SERIES II CYLINDER HEAD GASKET

Company23
Company23 FA/FB Intake/Exhaust Cam 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 /
Clevite
SUBARU 2.0L 1994CC 20022005 EJ205 VALVE COVER GASKET (LEFT)
Mahle
Conversion Set SUBARU 2212CC 2.2L EJ22# 1999-2001

NGK
AIR CHARGE TEMPERATURE SENSOR
Mahle
*USE: MCICB-1850P BEARINGS Main Bearing Set
Mahle
SUBARU 2457CC 2.5L EJ255 EJ257 2004-2008
Clevite
VALVE COVER SET
Mahle
Turbocharger Oil Line Gasket G33869

Mahle
Various Heavy Duty Applications
Subaru
Subaru OEM Cylinder Head Plug Subaru WRX 2002-2007 / STI 2004-2007

Subaru
Subaru Flange Bolt
Bosch
OIL FILTER
Clevite
CONN. ROD BEARING SET
Clevite
CONN. ROD BEARING SET

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

GSC Power Division
GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - Single
Brian Crower
Brian Crower Subaru EJ205-WRX / EJ257-STi Titanium Retainer

King Engine Bearings
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 (Including Turbo) SI-Series Main Bearing (Set of 5)

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

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

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

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