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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M

Manley Performance

Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.50mm Bore 1.130in CH, -14.00 CC

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Manley Performance

Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.50mm Bore 1.209in CH, -10.00 CC

Gates auto part

Gates

Gates 2013 Subaru Outback 4-Cyl. 2.5L Idler Belt Drive Pulley

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Manley Performance

Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.130in CH, -14.00 CC

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Manley Performance

Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.130in CH, -26.00 CC

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Manley Performance

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

Manley Performance auto part

Manley Performance

Manley Subaru 2.5L EJ257 WRX STi Piston Set - 100.00mm Bore 1.209in CH, -17.00 CC

Manley Performance auto part

Manley Performance

Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.209in CH, -22.00 CC

Supertech exhaust

Supertech

Supertech Subaru EJ20/25 Turbo DOHC Single Groove Inconel Exhaust Valve - Set of 8

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JE Pistons

JE Pistons Subaru EJ257 Ultra Series 8.5:1 C/R 100mm Bore 83mm Stroke Piston Kit (Set of 4)

Gates auto part

Gates

Gates 90-93 Subaru Legacy 4-Cyl. 2.2L Cam. Belt Automotive Timing Belt

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Manley Performance

Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.130in CH, -14.00 CC

Wiseco Subaru EJ20 -5cc Dish 1.278in x 3.622in Piston - Set of 4

Wiseco

Wiseco Subaru EJ20 -5cc Dish 1.278in x 3.622in Piston - Set of 4

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Manley Performance

Manley Subaru 2.5L EJ257 WRX STi Piston Set - 100.00mm Bore 1.130in CH, -26.00 CC

Gates auto part

Gates

Gates 11-18 Subaru Forester 4-Cyl. 2.5L Tensioner Assy. Belt Drive Tensioner

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Supertech

Supertech Subaru WRX 2.0L/2.5L 33x5.96x104.20mm +1mm Head Dia Inconel Exhaust Valve - Set of 8

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Torque Solution

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

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Gates

Gates 02-03 Subaru Impreza Timing Belt Component Kit

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Gates

Gates 93-95 Ford Taurus / 09-12 Cadillac CTS Micro-V Belt

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

Perrin Performance

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

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Supertech

Supertech Subaru WRX/STi 16V Dual Valve Spring Kit

GSC Power Division polished exhaust

GSC Power Division

GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Exhaust Valve - 33mm Head (+1mm) - Set of 50

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Supertech

Supertech Subaru STi 100mm Bore -20.5cc Dish 8.3:1 CR Moly Coated Pistons- Set of 4 (Use SWF20068-2)

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GSC Power Division

GSC P-D EJ257 S3 Cam 282/282 Billet - Right Intake Only

Killer B Motorsport auto part

Killer B Motorsport

Killer B Performance Oil Pan & Pickup & Baffle EJ Series (USE klbEJ25PAN & klb070-110 & klbEJWT)

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Supertech

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

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GSC Power Division

GSC P-D Subaru EJ Single Conical Valve Spring Titanium Retainer & Spring Seat Kit

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Brian Crower

Brian Crower Adjustable Cam Gears Black for Subaru EJ205/EJ257 (set of 2)-exhaust side only

Killer B Ultimate Oil Pickup EJ20 Turbo

Killer B Motorsport

Killer B Ultimate Oil Pickup EJ20 Turbo

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Gates

Gates 94-97 Subaru Impreza/Legacy Timing Belt Component Kit

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Gates

Gates 2000-2011 Subaru Outback 4-Cyl. 2.5L Timing Component Kit

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GSC Power Division

GSC P-D Subaru EJ Series Viton 6mm Valve Stem Seal - Set of 500

Gates auto part

Gates

Gates 96-97 Subaru Legacy Timing Belt Kit w/ Water Pump

Killer B Motorsport auto part

Killer B Motorsport

Killer B Super G High Performance Oil Pan EJ Series

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Gates

Gates 98 Subaru Forester/Impreza / 96-99 Subaru Legacy Timing Belt

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Gates

Gates 2005-2009 Subaru Outback 4-Cyl 2.5L Timing Belt Component Kit w/ Water Pump

Gates 00-09 Subaru Outback / 99-09 Legacy / 93-09 Impreza Lower Left Hand Cam Timing Idler Pulley

Gates

Gates 00-09 Subaru Outback / 99-09 Legacy / 93-09 Impreza Lower Left Hand Cam Timing Idler Pulley

Killer B Motorsport auto part

Killer B Motorsport

Killer B Ultimate Oil Pickup EJ25 Turbo

Killer B Oil Temperature Sensor Adapter M18 PT

Killer B Motorsport

Killer B Oil Temperature Sensor Adapter M18 PT

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GSC Power Division

GSC P-D Subaru EJ205/EJ207/EJ257 STD Head Chrome Polished Exhaust Valve - Set of 50

Gates auto part

Gates

Gates 90-93 Subaru Legacy 2.2L Timing Belt Component Kit w/Water Pump

Gates Subaru EJ20 2.0L EJ25 2.5L Right Hand Cam Timing Idler Pulley

Gates

Gates Subaru EJ20 2.0L EJ25 2.5L Right Hand Cam Timing Idler Pulley

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GSC Power Division

GSC P-D EJ257 S3 Cam 282/282 Billet - Right Exhaust Only

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Gates

Gates Subaru 08-12 Timing Belt Component Kit w/ Water Pump

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Supertech

Supertech Subaru Impreza EJ25 Dual Valve Spring Kit

Gates auto part

Gates

Gates 13-18 Subaru Impreza 4-Cyl. 2.5L Powergrip Timing Belt Tensioner

Killer B Motorsport auto part

Killer B Motorsport

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

A

ATI

ATI Crank Hub & Inner Shell - Steel 6 Grv - Scion Subaru Toyota FA20/FB20/FB25/4U-GSE 2.0L/2.5L Race

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Supertech

Supertech Subaru EJ20/EJ25 Inconel Exhaust Valve - +1mm Oversize - Set of 8

Killer B Oil Fill Relocation Tube 08-14 WRX/STi

Killer B Motorsport

Killer B Oil Fill Relocation Tube 08-14 WRX/STi

Gates auto part

Gates

Gates 94-97 Subaru Impreza/Legacy Timing Belt Component Kit w/o Tensioner

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Supertech

Supertech Subaru WRX 92.5mm Bore 8.3:1 CR Coated Pistons - Set of 4 (Use SWF20062-2) (Excl Rings)

Gates auto part

Gates

Gates Subaru EJ20 2.0L EJ25 2.5L Cam Idler Sprocket

Killer B Oil Temperature Sensor Adapter OEM to 1/8NPT

Killer B Motorsport

Killer B Oil Temperature Sensor Adapter OEM to 1/8NPT

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GSC Power Division

GSC P-D Subaru EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve - 33mm Head (+1mm) - Set of 50

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GSC Power Division

GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 36mm Head (STD) - Set of 50

Supertech Subaru EJ20/EJ25 Black Nitrided Exhaust Valve - Set of 8

Supertech

Supertech Subaru EJ20/EJ25 Black Nitrided Exhaust Valve - Set of 8

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Supertech

Supertech Subaru EJ25 Dual Valve Spring Kit

Killer B Oil Temperature Sensor Adapter OEM to 1/8PT

Killer B Motorsport

Killer B Oil Temperature Sensor Adapter OEM to 1/8PT

GSC Power Division exhaust

GSC Power Division

GSC P-D Subaru EJ205/EJ207/EJ257 Manganese Bronze Exhaust Valve Guide Stopper Style - Set of 240

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