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.
Gates
Gates 90-01 Acura Integra / 85-07 Honda Accord / 97-07 Subaru Impreza DriveAlign Idler Pulley
Brian Crower
Brian Crower 04-07 Subaru STi / 06-07 WRX EJ257 Left Side Exhaust Cam ONLY
GSC Power Division
GSC P-D 08+ STi S3 Cam 282/282 Billet - Left Intake Only
GSC Power Division
GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Set of 50
Gates
Gates 00-09 Subaru Outback (VIN 4th Digit G) / 99-08 Impreza/Forester / 99 Legacy Timing Belt

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

Killer B Motorsport
Killer B Oil Control Valve 08-14 WRX/STi

Supertech
Supertech Subaru WRX/STi 16V Dual Valve Spring Kit
HKS
HKS 02-08 WRX / 04-08 STi EJ20/25 Upgraded Timing Belt
Brian Crower
Brian Crower Adjustable Cam Gears Black for Subaru EJ205/EJ257 (Set of 4)

Killer B Motorsport
Killer B Oil Temperature Sensor Adapter M18 NPT
Clevite
Clevite Mitsubishi 4 1597-1997cc 1971-92 Main Bearing Set
Mahle
Mahle OE Piston Ring Set Subaru 2.5L H4 EJ253,255,257, 04-15 Baja Forester Impreza Legacy Outback
Brian Crower
Brian Crower Subaru EJ257 - 04-07 STi 06-07 WRX Camshafts - Stage 3 - ONLY Right Side Intake Cam

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

Gates
Gates 1999-2005 Subaru Forester 4-Cyl 2.5L Timing Belt Component Kit w/ Water Pump
Supertech
Supertech Subaru EJ20/EJ25 Sodium Filled Inconel Exhaust Valve - Set of 8
Supertech
Supertech Subaru EJ25 2.5L Inconel Exhaust Valve - +1mm Oversize - Set of 8

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

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

Gates
Gates 90-93 Subaru Legacy Timing Belt Component Kit

Brian Crower
Brian Crower Adjustable Cam Gears for Subaru EJ205/EJ257 (Right Intake Cam Gear Only)
Brian Crower
Brian Crower Subaru EJ257 - 04-07 STi 06-07 WRX Camshafts - Stage 2+ - Set of 4
GSC Power Division
GSC P-D Subaru EJ Series Conical Valve Spring and Ti Retainer Kit

Perrin Performance
PERRIN 15-18 Subaru WRX / 13-20 BRZ / 14-18 FXT / 13-16 Crosstrek Lightened Crank Pulley - Blue
Brian Crower
Brian Crower Subaru EJ257 - 04-07 STi 06-07 WRX Camshafts - Stage 3 - ONLY Left Side Intake Cam

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

Gates
Gates 2004-2013 Subaru Forester 4-Cyl 2.5L Timing Component Kit
GSC Power Division
GSC P-D 08+ STi EJ257B S1 Cams 266/264 Billet Right Exhaust Cam Only
Supertech
Supertech Subaru EJ20/EJ25 Inconel Exhaust Valve - Set of 8
Gates
Gates 88 Subaru Forester/Impreza / 98-99 Legacy Timing Belt Component Kit
GSC Power Division
GSC P-D 08+ STi S3 Cams 282/282 Billet

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

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

Gates
Gates 1999-1997 Subaru Legacy 4-Cyl 2.5L Timing Belt Component Kit w/ Water Pump
Gates
Gates 90-96 Subaru Legacy 2.2L Timing Belt Auto Tensioner
Gates
Gates 98 Subaru Impreza/Legacy Timing Belt Component Kit w/ Water Pump (6 Components)

Killer B Motorsport
Killer B Fumoto Valve 20mm-1.5

Gates
Gates Timing Belt Component Kits with Water Pump
Gates
Gates 94-98 Subaru Impreza / Legacy Timing Belt
Killer B Motorsport
Killer B Oil Control Valve 02-07 WRX/STi

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

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

Gates
Gates 12-13 Hyundai Veloster 1.6L Time Saver Idler Pulley w/ Bolts/Bracket/Nuts/Washers
Supertech
Supertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit

Supertech
Supertech Subaru EJ25 Inconel Exhaust Valve - Set of 8
Torque Solution
Torque Solution HD Oil Pan: Subaru EJ20/EJ25 - Black

Killer B Motorsport
Killer B High Performance Oil Pan EJ Series

Killer B Motorsport
Killer B Super G Performance Oil Pan & High Flow Pickup & Baffle - EJ Series
Gates
Gates 88 Subaru Forester/Impreza / Up to 97 Legacy Timing Belt Component Kit
Torque Solution
Torque Solution HD Timing Belt Tensioner (OEM) - Subaru EJ Engines
GSC Power Division
GSC P-D 08+ Subaru STI EJ257B S1 Cams 266/264 Billet Left Exhaust Cam Only

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

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

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

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 Performance
PERRIN 19-21 Subaru WRX / 16-18 Forester / 15-19 Legacy Lightweight Crank Pulley - Black
Supertech
Supertech Subaru EJ20/EJ25 Inconel Exhaust Valve - +0.5mm Oversize - Set of 8
GSC Power Division
GSC P-D 08+ STi S2 Cams 272/272 Billet (Left Intake Cam Only)
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