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High Altitude Tuning

Engine Performance Discussion Specific to Higher Altitudes
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Sticky First Modifications - what to do and not to do
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243
341K
 by Pythagorus
Sticky WARNING FOR BUYING CATTED DOWNPIPES!!!
3 4 5
99
106K
 by ALEX_KNIFEBOX
Sticky $5 and 5 minutes to a better running car :)
5 6 7
125
91K
 by 2011WRBWRX
Sticky "The BIG BOV thread" (Where all bov question threads get merged)
598 599 600
12K
1M
 by zax
Sticky Exhaust Video/Sound Clips
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586
430K
 by TRebelo
Sticky Exhaust FAQ
7 8 9
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100K
 by lcurtiss1996
Sticky Fuel System 101 FAQ
7
27K
 by dead_ringer
Sticky Water/Methanol Injection FAQ
2
29
57K
 by lookylookitzadam
Sticky Blowoff Valve (BOV) FAQ
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35K
 by zax
Sticky Intake FAQ
0
15K
 by EJ257
Sticky SPT has released the new CBE's for 08 WRX 5dr & 4dr.
3 4 5
85
35K
 by patrickfromnm
Sticky I want 400WHP!!!1!juan!
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33K
 by TheJ
Sticky Subaru Catch All TSB Regarding Modding
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18K
 by [email protected]
Sticky Engine Performance FAQ [[[READ ME]]]
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110K
 by ebr0t
Stuttering at 5k rpms
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3K
 by XJman
Any Mishimoto TB Hose customers out there?
6
213
 by XJman
Stage 2 what’s next???
8
450
 by SD_GR
Is there any reason not to buy a used exhaust?
1
84
 by XJman
Good engine build?
2
217
 by XJman
After ANOTHER rebuild, now having p0021 issues
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134
 by MarkkInNj
Anyone good with tuning? I have the Cobb AP and also Access tuner just looking on ideas for more power
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123
 by XJman
Trying to choose the right intake
1
86
 by XJman
09-14 WRX Stock Boost Control Solenoid Diagram
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6K
 by casey_jones
Is 75k too late to start?
5
434
 by DaneBarrick
JDM GF8 WRX replacement exhuast
3
151
 by XJman
TURBO REPLACEMENT
4
293
 by Alcapone Fawkes
Stage 2?
5
236
 by Gyoung
Spun bearing in 2013 wrx
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290
 by WRX-maniac
Car came with EBCS that wasn't hooked up, I hooked it up, safe to boost?
1
110
 by SD_GR
TMIC questions
17
2K
 by Alcapone Fawkes
Intercooler Question
0
124
 by Patsk8r93
2017 WRX speed governor?
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14K
 by XJman
Killed My Turbo
3
211
 by SD_GR
High Flow Cat Downpipe question
3
171
 by XJman
HIGH FUEL PRESSURE!!!
4
184
 by Monkies
AVCS Delete?
3
164
 by XJman
new turbo install
0
158
 by wohodoti
AC kicks on by itself
2
156
 by Monkies
COBB ACCESSPORT AND INTAKE
1
222
 by XJman
Looking for downpipe
0
145
 by Rolls973
2013 WRX - Rod knock - under dealer warrenty
1
187
 by XJman
18’ WRX downpipe + axleback ———> catback
3
342
 by XJman
2017 Upgrades
1
208
 by XJman
To do my head gasket or swap motors
2
236
 by 4Asylum
1999 GC8 Injectors
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88
 by RyanGC8
Question about Downpipe and STI TMIC
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480
 by wrxl98
bov is too loud
5
409
 by mjtct
COBB Tuner Problem
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461
 by Calhouligan
WRX Turbo upgrade without doing downpipe
2
271
 by zax
Engine Modifications Flat-fours and turbochargers are what set the WRX apart from the rest. Talk about them and the latest aftermarket parts here.
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