Stage 2

GDB

GDB STI Stage 2 Big Turbo Build

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

Subaru WRX STI380–430 hp target~24h total install9 parts

Build Steps

Parts List & Install Order

Required Parts · 6

1
Blouch Blouch Dominator 2.0 XT-R (EJ257)
Advanced8h install+40–90 hp4.7
Turbo
$1,799.00
from 2 suppliers
Buy
2
Perrin Perrin Front Mount Intercooler (STI)
Advanced6h install04.6
FMIC
$1,299.00
from 2 suppliers
Buy
3
Injector Dynamics Injector Dynamics 1000cc (EJ257)
Intermediate2h install04.8
Injectors
$699.00
from 2 suppliers
Buy
4
Walbro Walbro 255LPH Fuel Pump
Moderate1.5h install04.5
Fuel pump
$73.66
from 9 suppliers
Buy
5
Cobb Cobb Accessport V3 (STI)
Easy0.5h install+10–30 hp4.8
Tune
$721.07
from 2 suppliers
Buy
6
ACT ACT Heavy Duty Clutch (EJ257)
Advanced6h install04.4
Clutch
$595.06
from 2 suppliers
Buy

Optional Upgrades · 3

96
Enkei RPF1 17x9 +35 Wheel
×4
4.9
Set of 4 lightweight forged wheels
$1,380.00
from 2 suppliers
Buy
98
Mishimoto Compact Baffled Oil Catch Can
4.6
Keeps intake clean on turbo builds
$112.75
from 34 suppliers
Buy
99
AEM 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.