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GR Series STi Discussion (2008+)
GR-General
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GR-Exhaust
Discuss different topics related to the STI's exhaust system.
33K
10.9M
Dec 31, 2023
33K
10.9M
Dec 31, 2023
GR-Tires & Wheels
Research STI Tires & STI Wheels Discuss wheels, tires, locks, & lugs, etc...
36.2K
15.1M
Feb 24, 2024
36.2K
15.1M
Feb 24, 2024
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
38.6K
13.6M
Mar 11, 2024
38.6K
13.6M
Mar 11, 2024
GR-Braking
Discuss things related to rotors, pads, lines, big brake kits, brake fluid, etc...
7.3K
3.3M
Sep 5, 2023
7.3K
3.3M
Sep 5, 2023
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
16.7M
Jan 18, 2024
40.6K
16.7M
Jan 18, 2024
GR-Interior
Discuss harnesses, seats, steering wheels, carpet, mats, etc...BUT NO Performance Electronics, Audio or Security.
22.9K
9.3M
4d ago
22.9K
9.3M
4d ago
GR-ICE/Security
Discuss things related to audio, video, nav, security, etc...
13.5K
5.6M
Dec 30, 2023
13.5K
5.6M
Dec 30, 2023
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137
Sticky
OEM Parts Sourcing
got2boostit2
Jul 4, 2014
5
6K
Mar 1, 2020
by
callawaykj
Sticky
Subaru STI How-To Installation Catalog for the GR Chassis
cky3396
Sep 28, 2008
14
36K
Dec 27, 2019
by
ChefPhil
Sticky
Technical Threads of Interest
Digitalfiend
Sep 3, 2008
Locked
0
19K
Sep 3, 2008
by
Digitalfiend
Sti crosstrek
Mauromoto
Feb 25, 2022
2
59
26K
5d ago
by
xtremewlr
Battery Relocate in a GV/GR (using iWire)
mcglsr2
Jan 15, 2024
6
1K
Mar 9, 2024
by
mcglsr2
P0031 Front Oxygen Sensor Heater Circuit Low.
Jay11STI
Feb 24, 2024
2
620
Mar 5, 2024
by
Jay11STI
J
Noise when boost testing
JohnSub2013sti
Feb 16, 2024
2
37
2K
Feb 25, 2024
by
JohnSub2013sti
Secondary Air Switching Valve Stuck Open P1410
Jay11STI
Oct 8, 2023
27
6K
Feb 24, 2024
by
BrianSexton
Timing belt replacement
47gera
Dec 28, 2023
11
883
Dec 29, 2023
by
ChefPhil
B
2012 STI sudden drop in fuel economy
Brainer101
Dec 2, 2023
11
2K
Dec 19, 2023
by
135Hoser
P0018, need advice.
Girth.Vader707
Dec 9, 2023
0
683
Dec 9, 2023
by
Girth.Vader707
F
Help with errors
Frass2k4
Nov 19, 2023
1
919
Nov 19, 2023
by
135Hoser
R
Best FPR and AOS for 09 STI - "Stumble" issues
Rubes
Nov 10, 2023
7
1K
Nov 11, 2023
by
Rubes
Truly lost on this CEL
SKRay907
Oct 26, 2023
7
998
Oct 27, 2023
by
JohnSub2013sti
P2443 CODE
47gera
Apr 4, 2023
30
2K
Oct 17, 2023
by
subi504
Head Gasket Failing?
nmarketti
Oct 10, 2023
11
688
Oct 13, 2023
by
Achill
What Did You Do to Your GR STI Today?
STIopener
Nov 18, 2008
267
268
269
11K
2M
Sep 16, 2023
by
Jay11STI
T
2008 STI with Stock Navigation - Phone option missing.
thaos95
Aug 5, 2023
0
543
Aug 5, 2023
by
thaos95
High Amp Alternator
Wes Lim
Jun 25, 2023
3
2K
Jun 28, 2023
by
Black90tsiawd
Good FC when AC turn off (driving)
Wes Lim
Jun 25, 2023
2
689
Jun 27, 2023
by
Wes Lim
Trying to restore a rusty 2008 hatch sti..
treborkiller
Sep 4, 2022
5
2K
Jun 16, 2023
by
BeefBurrps
C
Fuel pressure sensor location on STIs
coolzeero
Jan 30, 2014
8
8K
Jun 6, 2023
by
StiChop
0
P0138 Fixes
0bserver
Jun 5, 2023
2
870
Jun 6, 2023
by
Jedi03
4
Steering problems
42_sti
Apr 30, 2023
13
1K
May 2, 2023
by
Karlot
T
P013A code
Turbski
Apr 5, 2023
2
3K
Apr 7, 2023
by
Turbski
S
Both radiator fans only turn on when blower motor is on (ac doesn't have to be on)
slowsubie99
Mar 30, 2023
2
1K
Mar 30, 2023
by
slowsubie99
Strange power gains
batislav
Feb 24, 2023
4
891
Feb 25, 2023
by
a5m
J
2013 subaru sti USDM Sedan / PCV & Intake diagram
JohnSub2013sti
Feb 8, 2023
0
1K
Feb 8, 2023
by
JohnSub2013sti
K
[Swap] Any EJ20x in a 08+ STI out there?
kgozi
Aug 7, 2018
7
5K
Jan 20, 2023
by
Mhernandez6013
Wind noise coming from hood scoop?
Vijay
Jan 13, 2023
7
1K
Jan 14, 2023
by
jerfodor
I
Shifter pivot bushings
inpuressa
Dec 9, 2018
1
3K
Dec 27, 2022
by
green_banana
08 STI Hatch - Hard to start when hot, sometimes stalling after start and then surging, misfiring, excessive fuel consumption and overflowing coolant
PilotSTI
Nov 19, 2021
2
2K
Dec 24, 2022
by
SC_Pineapple
A
Looking for a Shell or STI with blown motor
Austin_Caudill
Dec 24, 2022
0
1K
Dec 24, 2022
by
Austin_Caudill
T
2008 WRX STI Hatch Preventative Maintenance / Good Things to do
treetopchicken
Nov 20, 2022
7
2K
Dec 22, 2022
by
Karlot
Hawaii - What deal did you get on your STi?
zXrunner
Mar 21, 2012
14
2K
Dec 15, 2022
by
JohnSub2013sti
Mars Performance Tail lights?
Hoot.
Nov 22, 2022
3
3K
Nov 28, 2022
by
Black90tsiawd
HELP! 13’ sti Powers but won’t crank - intermittently starts
HCODS
Nov 1, 2022
3
1K
Nov 2, 2022
by
Jedi03
Volk CE28N tire fitment
BeerHatchSTI13
Oct 11, 2022
2
1K
Oct 13, 2022
by
Karlot
1
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GR-General
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Discussion for general 08+ STIs. Please use the technical subforums for specific 08+ STI topics.
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