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.
Manley Performance
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.50mm Bore 1.130in CH, -14.00 CC
Manley Performance
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.50mm Bore 1.209in CH, -10.00 CC

Gates
Gates 2013 Subaru Outback 4-Cyl. 2.5L Idler Belt Drive Pulley
Manley Performance
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.130in CH, -14.00 CC
Manley Performance
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.130in CH, -26.00 CC
Manley Performance
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.55mm Bore 1.209in CH, -17.00 CC

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

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

Supertech
Supertech Subaru EJ20/25 Turbo DOHC Single Groove Inconel Exhaust Valve - Set of 8
JE Pistons
JE Pistons Subaru EJ257 Ultra Series 8.5:1 C/R 100mm Bore 83mm Stroke Piston Kit (Set of 4)

Gates
Gates 90-93 Subaru Legacy 4-Cyl. 2.2L Cam. Belt Automotive Timing Belt
Manley Performance
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.130in CH, -14.00 CC

Wiseco
Wiseco Subaru EJ20 -5cc Dish 1.278in x 3.622in Piston - Set of 4
Manley Performance
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 100.00mm Bore 1.130in CH, -26.00 CC

Gates
Gates 11-18 Subaru Forester 4-Cyl. 2.5L Tensioner Assy. Belt Drive Tensioner
Supertech
Supertech Subaru WRX 2.0L/2.5L 33x5.96x104.20mm +1mm Head Dia Inconel Exhaust Valve - Set of 8
Torque Solution
Torque Solution HD Timing Belt Tensioner (Gates) - Subaru EJ Engines
Gates
Gates 02-03 Subaru Impreza Timing Belt Component Kit
Gates
Gates 93-95 Ford Taurus / 09-12 Cadillac CTS Micro-V Belt

Perrin Performance
PERRIN 19-21 Subaru WRX / 16-18 Forester / 15-19 Legacy Lightweight Crank Pulley - Blue
Supertech
Supertech Subaru WRX/STi 16V Dual Valve Spring Kit

GSC Power Division
GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Exhaust Valve - 33mm Head (+1mm) - Set of 50
Supertech
Supertech Subaru STi 100mm Bore -20.5cc Dish 8.3:1 CR Moly Coated Pistons- Set of 4 (Use SWF20068-2)
GSC Power Division
GSC P-D EJ257 S3 Cam 282/282 Billet - Right Intake Only

Killer B Motorsport
Killer B Performance Oil Pan & Pickup & Baffle EJ Series (USE klbEJ25PAN & klb070-110 & klbEJWT)
Supertech
Supertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit
GSC Power Division
GSC P-D Subaru EJ Single Conical Valve Spring Titanium Retainer & Spring Seat Kit
Brian Crower
Brian Crower Adjustable Cam Gears Black for Subaru EJ205/EJ257 (set of 2)-exhaust side only

Killer B Motorsport
Killer B Ultimate Oil Pickup EJ20 Turbo
Gates
Gates 94-97 Subaru Impreza/Legacy Timing Belt Component Kit
Gates
Gates 2000-2011 Subaru Outback 4-Cyl. 2.5L Timing Component Kit
GSC Power Division
GSC P-D Subaru EJ Series Viton 6mm Valve Stem Seal - Set of 500

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

Killer B Motorsport
Killer B Super G High Performance Oil Pan EJ Series
Gates
Gates 98 Subaru Forester/Impreza / 96-99 Subaru Legacy Timing Belt
Gates
Gates 2005-2009 Subaru Outback 4-Cyl 2.5L Timing Belt Component Kit w/ Water Pump

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

Killer B Motorsport
Killer B Ultimate Oil Pickup EJ25 Turbo

Killer B Motorsport
Killer B Oil Temperature Sensor Adapter M18 PT
GSC Power Division
GSC P-D Subaru EJ205/EJ207/EJ257 STD Head Chrome Polished Exhaust Valve - Set of 50

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

Gates
Gates Subaru EJ20 2.0L EJ25 2.5L Right Hand Cam Timing Idler Pulley
GSC Power Division
GSC P-D EJ257 S3 Cam 282/282 Billet - Right Exhaust Only
Gates
Gates Subaru 08-12 Timing Belt Component Kit w/ Water Pump
Supertech
Supertech Subaru Impreza EJ25 Dual Valve Spring Kit

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

Killer B Motorsport
Killer B Cast Performance Oil Pan & High Flow Pickup & Baffle - EJ Series
ATI
ATI Crank Hub & Inner Shell - Steel 6 Grv - Scion Subaru Toyota FA20/FB20/FB25/4U-GSE 2.0L/2.5L Race
Supertech
Supertech Subaru EJ20/EJ25 Inconel Exhaust Valve - +1mm Oversize - Set of 8

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

Gates
Gates 94-97 Subaru Impreza/Legacy Timing Belt Component Kit w/o Tensioner
Supertech
Supertech Subaru WRX 92.5mm Bore 8.3:1 CR Coated Pistons - Set of 4 (Use SWF20062-2) (Excl Rings)

Gates
Gates Subaru EJ20 2.0L EJ25 2.5L Cam Idler Sprocket

Killer B Motorsport
Killer B Oil Temperature Sensor Adapter OEM to 1/8NPT
GSC Power Division
GSC P-D Subaru EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve - 33mm Head (+1mm) - Set of 50
GSC Power Division
GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 36mm Head (STD) - Set of 50

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

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

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