Stage 2

GDB STI Stage 2 Big Turbo Build

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

Subaru WRX STI (GDB)380–430 hp target

Parts List (9 components)

Required Parts (6)

#1Blouch Blouch Dominator 2.0 XT-R (EJ257)

4.7Advanced+40–90 hp

Turbo

$1,799.00

from 2 suppliers

Buy

#2Perrin Perrin Front Mount Intercooler (STI)

4.6Advanced0

FMIC

$1,299.00

from 2 suppliers

Buy

#3Injector Dynamics Injector Dynamics 1000cc (EJ257)

4.8Intermediate0

Injectors

$699.00

from 2 suppliers

Buy

#4Walbro Walbro 255LPH Fuel Pump

4.5Moderate0

Fuel pump

$73.66

from 9 suppliers

Buy

#5Cobb Cobb Accessport V3 (STI)

4.8Easy+10–30 hp

Tune

$721.07

from 2 suppliers

Buy

#6ACT ACT Heavy Duty Clutch (EJ257)

4.4Advanced0

Clutch

$595.06

from 2 suppliers

Buy

Optional Upgrades (3)

#96Enkei RPF1 17x9 +35 Wheel

×4

4.9

Set of 4 lightweight forged wheels

$1,380.00

from 2 suppliers

Buy

#98Mishimoto Compact Baffled Oil Catch Can

4.6

Keeps intake clean on turbo builds

$112.75

from 34 suppliers

Buy

#99AEM X-Series Wideband UEGO AFR Gauge

4.8

Essential for tuning; mount in A-pillar pod

$199.99

from 2 suppliers

Buy

Cost Summary

Required parts (6)$5,186.79

Optional upgrades (3)+$1,692.74

Total (best prices)$6,879.53

Prices from lowest available supplier. Does not include shipping or labor.