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GR-Exhaust

Discuss different topics related to the STI's exhaust system.
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10.2M
33K
10.2M

GR-Tires & Wheels

Research STI Tires & STI Wheels Discuss wheels, tires, locks, & lugs, etc...
36.2K
14.3M
36.2K
14.3M

GR-Suspension, Handling, Stiffening

Research STI Suspension Wheels, & Tires Discuss things related to springs, struts, coilovers, end links, lateral links, unsprung weight, chassis stiffening, etc... Sponsored by: Tire Rack
38.4K
12.6M
38.4K
12.6M

GR-Braking

Discuss things related to rotors, pads, lines, big brake kits, brake fluid, etc...
7.3K
3M
7.3K
3M

GR-Engine, Power, & Performance

Discuss the power and performance related to the 2.5L Factory Motor

GR-ECU Tuning & Performance Electronics

Discuss things like ECU related electronics and data monitors, etc..

GR-Exterior

Discuss things related to car care & detailing, body kits, lips, spoilers, headlights, tail lights, etc...
40.6K
15.8M
40.6K
15.8M

GR-Interior

Discuss harnesses, seats, steering wheels, carpet, mats, etc...BUT NO Performance Electronics, Audio or Security.
22.8K
8.7M
22.8K
8.7M

GR-ICE/Security

Discuss things related to audio, video, nav, security, etc...
13.5K
5.3M
13.5K
5.3M
got2boostit2

Sticky OEM Parts Sourcing

5
5K
 by callawaykj
cky3396

Sticky Subaru STI How-To Installation Catalog for the GR Chassis

14
35K
 by ChefPhil
Digitalfiend

Sticky Technical Threads of Interest

0
17K
 by Digitalfiend
batislav

Strange power gains

4
420
 by a5m
J

2013 subaru sti USDM Sedan / PCV & Intake diagram

0
298
 by JohnSub2013sti
K

[Swap] Any EJ20x in a 08+ STI out there?

7
4K
 by Mhernandez6013
Vijay

Wind noise coming from hood scoop?

7
401
 by jerfodor
I

Shifter pivot bushings

1
2K
 by green_banana
PilotSTI

08 STI Hatch - Hard to start when hot, sometimes stalling after start and then surging, misfiring, excessive fuel consumption and overflowing coolant

2
1K
 by SC_Pineapple
A

Looking for a Shell or STI with blown motor

0
528
 by Austin_Caudill
T

2008 WRX STI Hatch Preventative Maintenance / Good Things to do

7
1K
 by Karlot
zXrunner

Hawaii - What deal did you get on your STi?

14
2K
 by JohnSub2013sti
treborkiller

Trying to restore a rusty 2008 hatch sti..

4
964
 by SloSubi
Hoot.

Mars Performance Tail lights?

3
2K
 by Black90tsiawd
HCODS

HELP! 13’ sti Powers but won’t crank - intermittently starts

3
456
 by Jedi03
Mauromoto

Sti crosstrek

2 3
45
9K
 by Spoolnut
BeerHatchSTI13

Volk CE28N tire fitment

2
552
 by Karlot
STIopener

What Did You Do to Your GR STI Today?

557 558 559
11K
2M
 by Jay11STI
47gera

2012 wrx sti 65k miles. Is it too late to mod?

11
1K
 by mheyman
R

2011 WRX STI Hatch, Stumped fueling issue

3
707
 by Sjp831
Mwhockey6

RH cam correlation issue

0
398
 by Mwhockey6
Erj20p

2015 steering rack upgrade, steering angle sensor issues

8
1K
 by awenthol
J

Hard Misfire, Chasing a Ghost

4
2K
 by e_nav
K

The dude "test drove" my car after an alignment. Is this normal?

2
26
21K
 by robertbilic84
Droptune

Coil Pack Interchangeability?

2
587
 by Droptune
S

2011 sti pulling to the left under acceleration

4
917
 by JeepCreep
Jmackey7283

power loss

7
757
 by nissanfanatic
Jay11STI

Mysterious Oil Filter Leak?

2
21
3K
 by Ckata22
M

2011 subaru sti p0019

0
384
 by Matias R
sdwindr1

Warranty void if you hit 7k rpm

2 3
44
15K
 by whatawhipur
AustinSedz

18x9.5 et35 on stock suspension?

5
2K
 by Ckata22
L

P0171 after installing a new Power steering pump.

2
933
 by leomarti
tranceatlantic

Side lights/DT running lights wont turn on - 2014 STi hatchback

2
481
 by tranceatlantic
A

Blew a fuse, can't find it...

17
13K
 by MDaggy92
H

Please recommend a car cover

4
816
 by oldstimike
2012sti17

2012 Subaru WRX STI 6MT shift linkage

1
892
 by Ipodnag
gerardoluevano013

Car goes into limp mode when in cruise control going about 65-75

2
576
 by shadowsports
C

Creaking noises inside the cabin

2
22
6K
 by Wrxphil
GR-General
Discussion for general 08+ STIs. Please use the technical subforums for specific 08+ STI topics.
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