Stage 1

GRB STI Stage 1 Street Build

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

Subaru WRX STI (GRB)330–360 hp target

Parts List (7 components)

Required Parts (4)

#1Cobb Cobb Accessport V3 (STI)

4.8Easy+10–30 hp

Tune

$721.07

from 2 suppliers

Buy

#2Cobb Cobb SF Intake System (STI)

4.5Easy+5–10 hp

Intake

$265.44

from 2 suppliers

Buy

#3Invidia Invidia Catted Downpipe (STI)

4.5Intermediate+20–35 hp

Downpipe

$399.00

from 2 suppliers

Buy

#4Invidia Invidia Q300 Catback (STI)

4.6Moderate+8–12 hp

Catback

$1,099.00

from 2 suppliers

Buy

Optional Upgrades (3)

#5BC Racing BC Racing BR Coilovers (GRB STI)

4.6Intermediate0

Coilovers

$1,095.00

from 2 suppliers

Buy

#97Defi Advance BF Boost Gauge 60mm

4.7

Monitor boost pressure

$155.63

from 9 suppliers

Buy

#98Mishimoto 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.