Subaru · GDB · 2004–2007

Subaru WRX STI

The blobeye/hawkeye STI. Iconic rally-bred AWD turbo sedan with the EJ257. Responsive turbo, DCCD center diff, and Brembo brakes make it a complete performance package.

EJ257300 hpAWD

Specifications

Engine CodeEJ257

Build Packages (2)

Stage 1

GDB STI Stage 1 Street Build

Accessport tune, intake, downpipe, and catback. Safe 320-350whp on pump gas.

320–350 hp$2,000.00–$3,500.00

Stage 2

GDB STI Stage 2 Big Turbo Build

Blouch turbo upgrade with FMIC and full supporting mods for 400+ whp.

380–430 hp$5,000.00–$8,000.00

Compatible Parts (22)

Engine

4 parts

Walbro

Walbro 255LPH Fuel Pump

4.50

$73.66

9 suppliers

Cobb

Cobb SF Intake System (STI)

4.5+5–10 hp

$265.44

2 suppliers

IAG Performance

Street Series Air/Oil Separator

4.7

$275.00

2 suppliers

Injector Dynamics

Injector Dynamics 1000cc (EJ257)

4.80

$699.00

2 suppliers

Exhaust

2 parts

Invidia

Invidia Catted Downpipe (STI)

4.5+20–35 hp

$399.00

2 suppliers

Invidia

Invidia Q300 Catback (STI)

4.6+8–12 hp

$1,099.00

2 suppliers

Turbo and Forced Induction

4 parts

Blouch

Blouch Dominator 2.0 XT-R (EJ257)

4.7+40–90 hp

$1,799.00

2 suppliers

TiAL Sport

TiAL 50mm V-Band Wastegate

4.80

$349.00

2 suppliers

Perrin

Perrin Front Mount Intercooler (STI)

4.60

$1,299.00

2 suppliers

HKS

Super SQV4 Blow-Off Valve

4.40

$213.32

35 suppliers

Suspension

1 parts

BC Racing

BC Racing BR Coilovers (GDB STI)

4.60

$1,092.48

2 suppliers

Brakes

2 parts

Project Mu

B-Spec Front Brake Pads

4.50

$251.20

24 suppliers

DBA

4000 Series T3 Slotted Rotors (Pair)

4.40

$584.36

6 suppliers

Drivetrain

1 parts

ACT

ACT Heavy Duty Clutch (EJ257)

4.40

$595.06

2 suppliers

Cooling

3 parts

Mishimoto

Compact Baffled Oil Catch Can

4.6

$112.75

34 suppliers

Koyo

53mm Aluminum Racing Radiator

4.70

$425.84

19 suppliers

GReddy

13-Row Oil Cooler Kit

4.50

$549.00

8 suppliers

Electronics & Tuning

3 parts

Cobb

Cobb Accessport V3 (STI)

4.8+10–30 hp

$721.07

2 suppliers

AEM

X-Series Wideband UEGO AFR Gauge

4.8

$199.99

2 suppliers

Defi

Advance BF Boost Gauge 60mm

4.7

$155.63

9 suppliers

Wheels & Tires

1 parts

Enkei

RPF1 17x9 +35 Wheel

4.9

$345.00

2 suppliers

Exterior & Aero

1 parts

NRG Innovations

Gen 2.0 Quick Release Hub Kit

4.5

$109.99

2 suppliers