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
G

Gates

Gates 90-01 Acura Integra / 85-07 Honda Accord / 97-07 Subaru Impreza DriveAlign Idler Pulley

B

Brian Crower

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

G

GSC Power Division

GSC P-D 08+ STi S3 Cam 282/282 Billet - Left Intake Only

G

GSC Power Division

GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Set of 50

G

Gates

Gates 00-09 Subaru Outback (VIN 4th Digit G) / 99-08 Impreza/Forester / 99 Legacy Timing Belt

Torque Solution Oil Baffle Windage Tray (Race): Subaru EJ20/EJ25

Torque Solution

Torque Solution Oil Baffle Windage Tray (Race): Subaru EJ20/EJ25

Killer B Motorsport auto part

Killer B Motorsport

Killer B Oil Control Valve 08-14 WRX/STi

Supertech springs

Supertech

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit

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HKS

HKS 02-08 WRX / 04-08 STi EJ20/25 Upgraded Timing Belt

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Brian Crower

Brian Crower Adjustable Cam Gears Black for Subaru EJ205/EJ257 (Set of 4)

Killer B Oil Temperature Sensor Adapter M18 NPT

Killer B Motorsport

Killer B Oil Temperature Sensor Adapter M18 NPT

C

Clevite

Clevite Mitsubishi 4 1597-1997cc 1971-92 Main Bearing Set

M

Mahle

Mahle OE Piston Ring Set Subaru 2.5L H4 EJ253,255,257, 04-15 Baja Forester Impreza Legacy Outback

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Brian Crower

Brian Crower Subaru EJ257 - 04-07 STi 06-07 WRX Camshafts - Stage 3 - ONLY Right Side Intake Cam

Mahle OE 06-11 Subaru 2.5L (STD) Piston Set (Set of 4)

Mahle

Mahle OE 06-11 Subaru 2.5L (STD) Piston Set (Set of 4)

Gates auto part

Gates

Gates 1999-2005 Subaru Forester 4-Cyl 2.5L Timing Belt Component Kit w/ Water Pump

S

Supertech

Supertech Subaru EJ20/EJ25 Sodium Filled Inconel Exhaust Valve - Set of 8

S

Supertech

Supertech Subaru EJ25 2.5L Inconel Exhaust Valve - +1mm Oversize - Set of 8

Gates auto part

Gates

Gates 2006-2011 Subaru Outback 4-Cyl 2.5L Timing Belt Component Kit w/ Water Pump

GSC Power Division exhaust

GSC Power Division

GSC P-D 06-07 Subaru WRX 2.5L/ 04-07 Subaru STI S1 Cam - Left Exhaust Only

Gates auto part

Gates

Gates 90-93 Subaru Legacy Timing Belt Component Kit

Brian Crower Adjustable Cam Gears for Subaru EJ205/EJ257 (Right Intake Cam Gear Only)

Brian Crower

Brian Crower Adjustable Cam Gears for Subaru EJ205/EJ257 (Right Intake Cam Gear Only)

B

Brian Crower

Brian Crower Subaru EJ257 - 04-07 STi 06-07 WRX Camshafts - Stage 2+ - Set of 4

G

GSC Power Division

GSC P-D Subaru EJ Series Conical Valve Spring and Ti Retainer Kit

PERRIN 15-18 Subaru WRX / 13-20 BRZ / 14-18 FXT / 13-16 Crosstrek Lightened Crank Pulley - Blue

Perrin Performance

PERRIN 15-18 Subaru WRX / 13-20 BRZ / 14-18 FXT / 13-16 Crosstrek Lightened Crank Pulley - Blue

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Brian Crower

Brian Crower Subaru EJ257 - 04-07 STi 06-07 WRX Camshafts - Stage 3 - ONLY Left Side Intake Cam

Brian Crower exhaust

Brian Crower

Brian Crower 08+ STi RIGHT SIDE EXHAUST Camshaft ONLY - Stage 2

Gates auto part

Gates

Gates 2004-2013 Subaru Forester 4-Cyl 2.5L Timing Component Kit

G

GSC Power Division

GSC P-D 08+ STi EJ257B S1 Cams 266/264 Billet Right Exhaust Cam Only

S

Supertech

Supertech Subaru EJ20/EJ25 Inconel Exhaust Valve - Set of 8

G

Gates

Gates 88 Subaru Forester/Impreza / 98-99 Legacy Timing Belt Component Kit

G

GSC Power Division

GSC P-D 08+ STi S3 Cams 282/282 Billet

GSC Power Division springs

GSC Power Division

GSC P-D Subaru EJ Series Dual Conical Valve Spring Kit

Killer B Motorsport auto part

Killer B Motorsport

Killer B 02-07 WRX/STi GD Air/Oil Separator (Complete Kit w/Hosing + Clamps)

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Gates

Gates 1999-1997 Subaru Legacy 4-Cyl 2.5L Timing Belt Component Kit w/ Water Pump

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Gates

Gates 90-96 Subaru Legacy 2.2L Timing Belt Auto Tensioner

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Gates

Gates 98 Subaru Impreza/Legacy Timing Belt Component Kit w/ Water Pump (6 Components)

Killer B Fumoto Valve 20mm-1.5

Killer B Motorsport

Killer B Fumoto Valve 20mm-1.5

Gates auto part

Gates

Gates Timing Belt Component Kits with Water Pump

G

Gates

Gates 94-98 Subaru Impreza / Legacy Timing Belt

K

Killer B Motorsport

Killer B Oil Control Valve 02-07 WRX/STi

Gates auto part

Gates

Gates 93-97 Impreza / 90-96 Legacy Timing Belt Tensioners

Gates auto part

Gates

Gates 94-97 Toyota Celica / 93-97 Corolla / 93-97 Geo Prizm Timing Belt Tensioner

Gates roof rack

Gates

Gates 12-13 Hyundai Veloster 1.6L Time Saver Idler Pulley w/ Bolts/Bracket/Nuts/Washers

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Supertech

Supertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit

Supertech exhaust

Supertech

Supertech Subaru EJ25 Inconel Exhaust Valve - Set of 8

T

Torque Solution

Torque Solution HD Oil Pan: Subaru EJ20/EJ25 - Black

Killer B Motorsport auto part

Killer B Motorsport

Killer B High Performance Oil Pan EJ Series

Killer B Motorsport auto part

Killer B Motorsport

Killer B Super G Performance Oil Pan & High Flow Pickup & Baffle - EJ Series

G

Gates

Gates 88 Subaru Forester/Impreza / Up to 97 Legacy Timing Belt Component Kit

T

Torque Solution

Torque Solution HD Timing Belt Tensioner (OEM) - Subaru EJ Engines

G

GSC Power Division

GSC P-D 08+ Subaru STI EJ257B S1 Cams 266/264 Billet Left Exhaust Cam Only

Gates auto part

Gates

Gates 98 Subaru Forester/Impreza / 98-99 Legacy 2.5L Timing Belt Kit w/ Water Pump

Supertech springs

Supertech

Supertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit

Brian Crower Adjustable Cam Gears for Subaru EJ205/EJ257 - Left Exhaust Only

Brian Crower

Brian Crower Adjustable Cam Gears for Subaru EJ205/EJ257 - Left Exhaust Only

GSC Power Division exhaust

GSC Power Division

GSC P-D 2006-2007 2.5L Subaru WRX / 2004-2007 Subaru STi S1 Cams 272 Billet (Right Exhaust Cam Only)

PERRIN 19-21 Subaru WRX / 16-18 Forester / 15-19 Legacy Lightweight Crank Pulley - Black

Perrin Performance

PERRIN 19-21 Subaru WRX / 16-18 Forester / 15-19 Legacy Lightweight Crank Pulley - Black

S

Supertech

Supertech Subaru EJ20/EJ25 Inconel Exhaust Valve - +0.5mm Oversize - Set of 8

G

GSC Power Division

GSC P-D 08+ STi S2 Cams 272/272 Billet (Left Intake Cam Only)

B

Brian Crower

Brian Crower 08+ STi Left Side Intake Cam ONLY

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