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.

Clevite
Engine Crankshaft Main Bearing Set

Fel-Pro
Fel-Pro 22-23 Subaru BRZ/14-18 Forester/16-23 Crosstrek Engine Coolant Thermostat Housing Gasket

Eagle
Eagle Ford 351 Clevor 4.000in Crank 2.750in Mains 6.200in I-Beam 4.040in Pistons Rotating Assembly

GrimmSpeed
GrimmSpeed 2022+ Subaru BRZ/2022+ Toyota GR86 Engine Cover Kit - Black

Eagle
Eagle Chevy 400 3.875in Crank 6.000in H-Beam Stroker Rods -16cc 4.185in Pistons Rotating Assembly

Eagle
Eagle Ford 302 3.400in Crank 5.400in I-Beam Rods -18cc 4.060in Pistons Rotating Assembly

Melling
Timing Kit

Torque Solution
Torque Solution Subaru EJ Engines V2 HD Oil Pan (Race)
Moroso
Moroso Subaru EJ20/EJ22/EJ25 Wet Sump 6qt 6-7/8in Deep Steel Oil Pan w/Pickup & Windage Tray

Gates
Gates 05-06 Subaru Outback 4-Cyl. 2.5L Engine Variable Valve Timing Solenoid

Gates
Gates 06-10 Subaru Forester 4-Cyl. 2.5L Engine Variable Valve Timing Solenoid

Gates
Gates 06-12 Subaru Outback 4-Cyl. 2.5L Engine Variable Valve Timing Solenoid

Gates
Gates 12-14 Subaru Impreza 4-Cyl. 2.0L Accessory Belt Drive Kit (Standard)

GSC Power Division
GSC P-D Subaru EJ25 SOHC Intake/Exhaust Valve Guide Stopper Style - Set of 240

Gates
Gates 20-24 Subaru Outback 4-Cyl. 2.5L Tensioner Assy. Belt Drive Tensioner
Eagle
Eagle Subaru Ej207 Ej257 Forged Steel 4Th Generation H-Beam Rods
Supertech
Supertech Titanium Retainer for SPR-TS1015 Subaru STI (Under The Bucket Shim) - Set of 16

Supertech
Supertech Subaru EJ20/25 64lbs/36mm Dual Spring Kit

Supertech
Supertech Subaru EJ20/25 64lbs/36mm Dual Spring Kit
GSC Power Division
GSC P-D 06-07 2.5L WRX & 04-07 STi S3 Left Intake Cam 282/282 Billet
Supertech
Supertech Subaru EJ20/25 58lbs/36mm Dual Spring Kit

GSC Power Division
GSC P-D Can-Am Maverick Turbo 25mm Head STD 85.2mm Long Exhaust Valve - Set of 6
Eagle
Eagle Subaru Ej20/25 2.953in Stroke Dual Thrust Location Billet 4340 Steel Crankshaft

GSC Power Division
GSC P-D 2006-2007 2.5L Subaru WRX / 2004-2007 Subaru STi S2 Cams 272 Billet (Left Exhaust Cam Only)

Fel-Pro
Fel-Pro Subaru Legacy HS 9854 PT-1 PermaTorque Engine Cylinder Head Gasket Set

Fel-Pro
Fel-Pro Subaru Legacy HS 9854 PT PermaTorque Engine Cylinder Head Gasket Set
Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -4.5cc 99.5mm Pistons Rotating Assembly
Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -4.5cc 99.75mm Pistons Rotating Assembly
Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -4.5cc Flat Top 100mm Piston Rotating Assembly

Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -15.5cc 99.75mm Pistons Rotating Assembly
Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -15.5cc 99.5mm Pistons Rotating Assembly
Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -22cc 99.75mm Pistons Rotating Assembly

Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -22cc 99.5mm Pistons Rotating Assembly
Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -22cc 100mm Pistons Rotating Assembly

Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -22cc 99.75mm Pistons Rotating Assembly
Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -22cc 99.5mm Pistons Rotating Assembly

Eagle
Eagle Subaru Ej25 3.110in Billet Crank 5.137in H-Beam -22cc 100mm Pistons Rotating Assembly

Eagle
Eagle Subaru Ej20 3.110in Billet Crank 5.137in H-Beam -16cc 92.5mm Pistons Rotating Assembly
Eagle
Eagle Subaru EJ20/25 3.110in Billet Crank 5.137in H-Beam Rotating Assembly

Eagle
Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -26cc 99.5mm Pistons Rotating Assembly
Eagle
Eagle Subaru Ej25 3.268in Billet Crank 5.137in H-Beam -26cc 100.5mm Pistons Rotating Assembly

Fel-Pro
Fel-Pro 15-20 Subaru WRX/13-20 WRX STI/17-20 Toyota 86 Engine Cylinder Head Bolt Set

Fel-Pro
Fel-Pro 00-12 Subaru Outback/99-03 Forester Engine Cylinder Head Bolt Set

Fel-Pro
Fel-Pro 15-21 Subaru WRX/13-21 WRX STI/10-19 Outback Engine Oil Cooler Seal
Mahle
Piston Kit

Mahle
Piston Kit
GSC Power Division
GSC P-D 08+ STi S3 Cam 282/282 Billet - Left Exhaust Only

Fel-Pro
Fel-Pro Subaru Impreza HS 26537 PT PermaTorque Engine Cylinder Head Gasket Set

Fel-Pro
Fel-Pro 13-18 Subaru WRX STI/07-14 Impreza PermaTorque Engine Cylinder Head Gasket Set

Fel-Pro
Fel-Pro Subaru Impreza HS 26415 PT PermaTorque Engine Cylinder Head Gasket Set
Eagle
ESP RACESAVER Assembly

Fel-Pro
Fel-Pro Subaru Outback 260-1852 Engine Gasket Set

Fel-Pro
Fel-Pro 13-14 Subaru WRX/13-20 WRX STI/00-12 Outback Engine Valve Stem Oil Seal Set

Fel-Pro
Fel-Pro Subaru Forester 72963 Exhaust Gas Recirculation (EGR) Valve Gasket

Manley Performance
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 99.75mm Bore 1.209in CH, -17.00 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 - 100.00mm Bore 1.209in CH, -17.00 CC

JE Pistons
JE Pistons Subaru EJ257 Ultra Series Piston Kit - 99.50mm (Set of 4)

Manley Performance
Manley Rotating Assembly, SBC 355 3.480 STROKE/-4cc FLAT
Manley Performance
Manley Subaru 2.5L EJ257 WRX STi Piston Set - 100.00mm Bore 1.209in CH, -10.00 CC
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