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.

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30-Day Returns
S

Supertech

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit

P

Perrin Performance

PERRIN 02-07 Subaru WRX/STi Air Oil Separator Kit - Red

G

GSC Power Division

GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve - 32mm Head - Set of 50

B

Brian Crower

Brian Crower 04-07 Subaru STi / 06-07 WRX EJ257 RIGHT Side Exhaust Cam ONLY

M

Manley Performance

Manley Subaru EJ205/EJ257 5.216in L Turbo Tuff Pro Series I Beam Connecting Rod Set

C

Clevite

Clevite Subaru EJ Series 1990-2005 Con Rod Bearing Set

C

Clevite

Clevite Toyota 6 4477cc 1993-98 Main Bearing Set

Clevite Subaru EJ Series 1990-2005 Con Rod Bearing Set

Clevite

Clevite Subaru EJ Series 1990-2005 Con Rod Bearing Set

C

CP Pistons

Carrillo Subaru EJ18/EJ20/EJ257 (WRX Sti) Pro-SA 3/8 WMC Bolt Connecting Rod - Set of 4

C

Cusco

Cusco Subaru STI EJ20 / EJ25 Light Weight Aluminum Pulley Set - Blue

Greddy red auto part

Greddy

GReddy EJ20 Timing Belt

King Subaru EJ20/EJ22/EJ25 (Incl. Turbo) (Size 0.25) pMaxBlack Coated Main Bearing Set

King Engine Bearings

King Subaru EJ20/EJ22/EJ25 (Incl. Turbo) (Size 0.25) pMaxBlack Coated Main Bearing Set

M

Manley Performance

Manley Subaru EJ20/EJ25 5.216in H Tuff Plus Connecting Rod Set w/ARP625

Clevite Subaru 4 1815-2212cc 1990-98 Con Rod Bearing Set

Clevite

Clevite Subaru 4 1815-2212cc 1990-98 Con Rod Bearing Set

Gates auto part

Gates

Gates 94-97 Subaru Impreza/Legacy Timing Belt Component Kit w/ Water Pump (7 Components)

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Gates

Gates 2002-2003 Subaru Impreza 4-Cyl 2.0L Timing Belt Component Kit w/ Water Pump

G

Greddy

GReddy Subaru MD-03 Magnetic Drain Plug

M

Manley Performance

Manley Subaru WRX EJ205/STi EJ257 H Tuff Connecting Rod Set

C

Clevite

Clevite Subaru 4 1815-2212cc 1990-98 Con Rod Bearing Set

Wiseco auto part

Wiseco

Wiseco Subaru EJ205 R/Dome 13cc 1.220 x 3.652 Custom Piston Kit - Inc Rings/Pins/Clips (Set of 4)

M

Manley Performance

Manley Subaru WRX EJ205/STi EJ257 H-Tuff Plus Connecting Rod Set

C

COBB

Cobb 06-07 Subaru WRX / 04-07 STi Air Oil Separator

Manley Performance auto part

Manley Performance

Manley Subaru EJ25 100mm Bore Over Size .5mm Extreme Duty Flat Top Piston Set with Rings

Fluidampr auto part

Fluidampr

Fluidampr 2022+ Toyota GR86/Subaru BRZ (FA24F/FA24D) Steel Internally Balanced Damper w/Adapter Kit

K&N Engineering oil filter

K&N Engineering

K&N Oil Filter for 2025 Infiniti QX50 2.0L

Eagle auto part

Eagle

Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -7.8cc 99.5mm Pistons Rotating Assembly

Eagle auto part

Eagle

Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -7.8cc 100.5mm Pistons Rotating Assembly

Eagle auto part

Eagle

Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -7.8cc 100mm Pistons Rotating Assembly

Eagle auto part

Eagle

Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -17.1cc 99.75mm Pistons Rotating Assembly

Eagle auto part

Eagle

Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -17.1cc 100.5mm Pistons Rotating Assembly

Eagle auto part

Eagle

Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -22.1cc 99.75mm Pistons Rotating Assembly

Eagle auto part

Eagle

Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -22.1cc 99.5mm Pistons Rotating Assembly

Eagle auto part

Eagle

Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -22.1cc 100.5mm Pistons Rotating Assembly

Eagle auto part

Eagle

Eagle Ford 289/302 3.400in Crank 5.400in H-Beam -16cc 4.000in Pistons Rotating Assembly

Boostline auto part

Boostline

BoostLine Subaru EJ20/EJ25 Turbo 130.5mm ARP 625+ - Connecting Rod Single

Cometic Gasket exhaust

Cometic Gasket

Cometic Subaru EJ .030in MLS Exhaust Manifold to Up-Pipe Gasket

Cometic Gasket auto part

Cometic Gasket

Cometic Nissan VQ35DE Version 1 - VQ40DE .056in MLS Cylinder Head Gasket - 96mm Bore - RHS

Manley Performance auto part

Manley Performance

SUBARU MAIN BEARINGS WITH #3

JE Pistons auto part

JE Pistons

JE Pistons SUB STI EJ257 Block w/ EJ20 Head 99.75mm Bore Single Piston - Left

W

Wiseco

Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit

Cometic Gasket auto part

Cometic Gasket

Cometic Subaru EJ20G .120in MLS Cylinder Head Gasket - 93mm Bore

King Engine Bearings auto part

King Engine Bearings

King Engine Bearings Subaru Ej20/Ej22/Ej25 (Incl. Turbo) (Size +0.25mm) Connecting Rod Bearing Set

Wiseco auto part

Wiseco

Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 99.5 Piston Shelf Stock

King Engine Bearings auto part

King Engine Bearings

King Engine Bearings Subaru Fb20 (Size +0.25mm) Connecting Rod Bearing Set

Royal Purple auto part

Royal Purple

Royal Purple HPS Synthetic High Performance Street 10W30 Motor Oil - 5 Gallon

Wiseco auto part

Wiseco

Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock

Cometic Gasket auto part

Cometic Gasket

Cometic Nissan RB26DETT .050in MLS Cylinder Head Gasket - 87mm Bore

JE Pistons auto part

JE Pistons

JE Pistons Subaru EJ20 Single Piston - 92.50 mm Bore - 1.287 in. CH, -11.70 CC Left

Cometic Gasket auto part

Cometic Gasket

Cometic 04-07 Subaru EJ257 Valve Cover Gasket Kit - LHS

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King Engine Bearings

King Subaru EJ15/EJ16/EJ18/EJ20/EJ22/EJ25 (Size 0.5mm) Silicone Bi-Metal Alum Rod Bearing Set

JE Pistons auto part

JE Pistons

JE Pistons Subaru EJ257 Left Single Piston - 99.75mm Bore - 1.130in. CH -21.10 CC

Manley Performance auto part

Manley Performance

Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92mm STD Bore 8.5:1 Dish Piston - Single

M

Manley Performance

Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.55mm Bore 1.209in CH, -17.00 CC

Wiseco auto part

Wiseco

Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 93mm Piston Shelf Stock

Torque Solution oil filter

Torque Solution

Torque Solution WIX Oil Filter Adapter Subaru EJ / FA

Wiseco auto part

Wiseco

Wiseco Subaru WRX 4V R/Dome 8.4:1 Cr 92.5 Piston Shelf Stock

JE Pistons auto part

JE Pistons

JE Pistons Subaru EJ257 Right Single Piston - 99.75mm Bore - 1.130in. CH -21.10 CC

Wiseco auto part

Wiseco

Wiseco Subaru EJ257 WRX/STI 4V Dish -19cc 99.55 Piston Shelf Stock Kit

King Engine Bearings auto part

King Engine Bearings

King Engine Bearings Subaru FB20 (Size +0.5mm) Connecting Rod Bearing Set

Gates auto part

Gates

Gates 04-08 Subaru 2.0L & 2.5L Stock Replacement Timing Belt Component Kit (Belt Tensioner 4 Idlers)

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