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
Clevite Subaru 4 1815-2212cc 1990-98 Con Rod Bearing Set
CP Pistons
CP Piston & Ring Set for Subaru EJ257 Stroker - Bore (99.5mm) - Size (STD) - CR (8.5) - Set of 4
King Engine Bearings
King Subaru EJ20/EJ22/EJ25 Including Turbo pMaxKote Performance Main Bearing Set - Size STDX
King Engine Bearings
King Engine Bearings Subaru FA/FB (Size 0.50 Oversized) Main Bearing Set
Manley Performance
Manley 02-11 Subaru WRX/STi (EJ205/EJ257) Turbo Tuff I Beam Connecting Rod Set w/ARP 625+ (Set of 4)
JE Pistons
JE Pistons Subaru EJ20 Ultra Series 92.5mm Bore -3.8 Dome (Set of 4 Pistons)
CP Pistons
CP Piston & Ring Set for Subaru EJ255 WRX - Bore (100.0mm) - Size (+0.5mm) - CR (8.4)
Eagle
Eagle Subaru EJ20/EJ25 83mm Stroke 4340 Billet Crankshaft
JE Pistons
JE Pistons Subaru EJ20 Head/EJ25 Block Ultra Series Set of 4 Pistons
Wiseco
Wiseco Subaru WRX EJ20 STROKER 1.181CH Piston Shelf Stock Kit
Go Fast Bits
GFB 94-98 Subaru WRX Light-Weight Engine Pulley (Crank/Alternator/Power Steering Pulleys/Belts inc)
King Engine Bearings
King Engine Bearings Subaru EJ20/EJ22/EJ25 Tri-Metal Perf Main Bearing Set - Size +.002mm
JE Pistons
JE Pistons Ultra Series Subaru EJ205 92mm Bore 9.5:1 CR Set of 4 Pistons
Manley Performance
Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Extreme Duty Valves
CP Pistons
CP Piston & Ring Set for Subaru EJ257 WRX STI- Bore (100mm) - Size (+0.5) - CR (8.5) - Set of 4
Cometic Gasket
Cometic 2014+ Subaru FA20F 89.5mm Bore .040in MLX Head Gasket - Left
JE Pistons
JE Pistons SUB EJ25 DOHC 11.5:1 KIT Set of 4 Pistons
Manley Performance
Manley 04+ Subaru WRX STi (EJ257) STD Stroke 100mm +.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance
Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.75mm +.25mm Bore 8.5:1 Dish Piston Set with Rings
King Engine Bearings
King Subaru EJ20/EJ22/EJ25 (Including Turbo) (0.75 Oversized) Performance Rod Bearing - Set of 4
Manley Performance
Manley 00-03 Subaru WRX (EJ20) / 04 STi Intake 37mm Stainless Race Flo Valves
JE Pistons
JE Pistons 2012+ Subaru FA20E/FA20F Bore 86.50, Size +0.50, Stroke 86, 10.0:1 C/R -13.8CC (Set of 4)
Manley Performance
Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 99.75mm +.25mm Bore 9.8:1 Dish Piston Set w/ Rings
King Engine Bearings
King Engine Bearings Subaru EJ20/EJ22/ EJ25 (Including Turbo) Coated Crankshaft Main Bearing Set
Wiseco
Wiseco Subaru EJ25 SOHC 4v Dish -18cc 100mm Piston Set
Wiseco
Wiseco Ford DOHC V8 4.6L 3 Valve NA/Boost/Nitrous Top Ring Down .300in -16.0cc 3.572 Bore 8.5:1 CR
JE Pistons
JE Pistons SUB EJ25 DOHC 8.5:1 KIT Set of 4 Pistons
Mishimoto
Mishimoto 2018 - 2020 Subaru Crosstrek Baffled Oil Catch Can Kit - Black
Clevite
Clevite Tri Armor Subaru EJ Series #5 Thrust Main Bearing Set
King Engine Bearings
King Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) Performance Main Bearing Set - Size STD
Mahle
Mahle MS 92.50 mm1.2 1.2 2.8 mm Drop In Rings
King Engine Bearings
King Engine Bearings Subaru EJ20/EJ22/EJ25 Housing Bore + .005 (Size 0.25) Main Bearing Set
Manley Performance
Manley Mitsubishi 4G63/4G64 7 Bolt 4340 Billet 94mm Stroke Turbo Tuff Series Crankshaft
CP Pistons
CP Piston & Ring Set for Subaru EJ257 WRX/STI (Stroker)-Bore (99.5mm)-Size (STD)-CR (10.0)-Set of 4
Manley Performance
Manley 00-03 Subaru WRX (EJ20) / 04 STi Intake 36mm Stainless Race Flo Valves
King Engine Bearings
King Engine Bearings Subaru EJ20/EJ22/EJ25 Housing Bore Main Bearing Set - Size +.005mm
Manley Performance
Manley Subaru WRX / STI (EJ18/20/22/25) H Beam Single Connecting Rod
JE Pistons
JE Pistons Ultra Series Subaru EJ205 93mm Bore 9.5:1 CR Set of 4 Pistons
Go Fast Bits
GFB 99-00 Subaru WRX/Forrester GT Light-Weight Engine Pulley Kit
ACL
ACL **Coated** Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Connecting Rod Bearing Set
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5) 0.025 Oversized High Perf Main Bearin - CT-1 Coated
ACL
ACL Subaru FA20 Standard Size High Performance Main Bearing Set w/ Extra Oil Clearance
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.025mm Oversized High Performance Main Bearin
ACL
ACL Subaru FB20/FB25 Standard Size High Performance Rod Bearing Set w/.001 Oil Clearance
ACL
ACL Subaru EJ20/EJ22/EJ25 (52 Journal Size) 0.25 Oversized High Perf Rod Bearing Set - CT-1 Coated
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust #5) Standard Size High Perf Main Bearing Set - CT-1 Coated
ACL
ACL Subaru FA20 Standard Size High Performance Main Bearing Set
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.50mm Oversized High Performance Main Bearing
ACL
ACL Subaru FB20/FB25 0.25 Oversized High Performance Rod Bearing Set
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.25mm Oversized High Performance Main Bearing
ACL
ACL Subaru FB20/FB25 Standard Size High Performance Rod Bearing Set
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5) 0.25 Oversized High Perf Main Bearing - CT-1 Coated
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) Standard Size High Performance w/ Extra Oil Cl
ACL
ACL +002 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.030mm Oversized High Performance Main Bearin
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust #5) Standard Size High Performance w/ Extra Oil - CT-1 Coated
ACL
ACL Subaru FB20/FB25 0.025 Oversized High Performance Rod Bearing Set
ACL
ACL Subaru EJ20/EJ22/EJ25 (52 Journal Size) Std Size High Perf w/ Extra Oil Clearance - CT-1 Coated
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #3 Position) 0.025mm Oversized High Performance Main Bearin
ACL
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #3 Position) 0.25mm Oversized High Performance Main Bearing
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