Subaru WRX STI tuning: parts that actually fit
Sport Sedan · 4 versions
| Version | Engine | Power | Torque | 0–60 mph | parts that fit |
|---|---|---|---|---|---|
| 2004–2007 (GD, first US STI) | EJ207/EJ257 · 2.5L Turbo Boxer-4 | 300 hp | 300 lb-ft | 4.7 s | 120 → |
| 2008–2014 (GR/GV) | EJ257 · 2.5L Turbo Boxer-4 | 305 hp | 290 lb-ft | 4.7 s | 120 → |
| 2015–2018 (VA) | EJ257 · 2.5L Turbo Flat-4 | 305 hp | 290 lb-ft | 4.9 s | 123 → |
| 2019–2021 (VA) | EJ257 · 2.5L Turbo Flat-4 | 310 hp | 290 lb-ft | 4.9 s | 126 → |
What fits for the Subaru WRX STI 2019–2021 (VA)
Engine & ECU33 parts that fitfor example: Stage 1 ECU Flash, Cold Air Intake, Stage 2 ECU + Intake
Exhaust18 parts that fitfor example: High-Flow Catalytic Converter, Cat-Back Exhaust, Front Pipe / Mid-Pipe Upgrade
Forced Induction17 parts that fitfor example: Front-Mount Intercooler, Recirculating Diverter Valve, Ball-Bearing Turbo Upgrade
Drivetrain9 parts that fitfor example: Limited-Slip Differential (LSD), Upgraded Performance Clutch, Upgraded Driveshaft
Suspension3 parts that fitfor example: Coilover Kit, Strut Tower Brace, Lowering Springs
Wheels & Tires6 parts that fitfor example: Forged Monoblock Wheels, All-Season Performance Tires, Gloss Black Wheel Finish
Brakes3 parts that fitfor example: Adjustable Proportioning Valve, DOT 4 Racing Brake Fluid, Pressure Brake Bleeder Kit
Aero & Body15 parts that fitfor example: Front Splitter, Adjustable Rear Wing, Underbody Aero Kit
Engine Internals10 parts that fitfor example: Forged Pistons, Forged Connecting Rods, Billet Crankshaft
Weight & Safety12 parts that fitfor example: Lightweight Lithium Battery, Fixed-Back Bucket Seat, 6-Point Racing Harness
Figures are the maker's published stock figures. Gains, prices and fit for your exact car are in the tuning shop.