Stage 1

GRB

GRB STI Stage 1 Street Build

Bolt-on mods with Accessport tune. The hatchback STI at its best.

Subaru WRX STI330–360 hp target~11h total install7 parts

Build Steps

Parts List & Install Order

Required Parts · 4

1
Cobb Cobb Accessport V3 (STI)
Easy0.5h install+10–30 hp4.8
Tune
$721.07
from 2 suppliers
Buy
2
Cobb Cobb SF Intake System (STI)
Easy1h install+5–10 hp4.5
Intake
$265.44
from 2 suppliers
Buy
3
Invidia Invidia Catted Downpipe (STI)
Intermediate3h install+20–35 hp4.5
Downpipe
$399.00
from 2 suppliers
Buy
4
Invidia Invidia Q300 Catback (STI)
Moderate2h install+8–12 hp4.6
Catback
$1,099.00
from 2 suppliers
Buy

Optional Upgrades · 3

5
BC Racing BC Racing BR Coilovers (GRB STI)
Intermediate4h install04.6
Coilovers
$1,095.00
from 2 suppliers
Buy
97
Defi Advance BF Boost Gauge 60mm
4.7
Monitor boost pressure
$155.63
from 9 suppliers
Buy
98
Mishimoto Compact Baffled Oil Catch Can
4.6
Keeps intake clean on turbo builds
$112.75
from 34 suppliers
Buy

Cost Summary

Required parts (4)$2,484.51

Optional upgrades (3)+$1,363.38

Total (best prices)$3,847.89

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