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High Altitude Tuning

Engine Performance Discussion Specific to Higher Altitudes
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Sticky "The BIG BOV thread" (Where all bov question threads get merged)
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Sticky Exhaust Video/Sound Clips
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Sticky First Modifications - what to do and not to do
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Sticky $5 and 5 minutes to a better running car :)
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Sticky Fuel System 101 FAQ
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Sticky Intake FAQ
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Sticky SPT has released the new CBE's for 08 WRX 5dr & 4dr.
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Sticky I want 400WHP!!!1!juan!
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Sticky Subaru Catch All TSB Regarding Modding
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Sticky Engine Performance FAQ [[[READ ME]]]
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Air intake
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Presenting the AWE Exhaust Suite for Subaru VA WRXs. Available now.
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Boost
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tumble generator valve removal?????
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Stock engine map
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Mods
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2003 WRX smoke test intake side, where is best place to introduce smoke?
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 by zax
2006 wrx code:P2433 and P2431
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 by Ricardowelch
Axle back exhaust
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Fuel pressure with Walbro pump?
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 by Carlosfoz03
Need help with code p2196 on 2018 WRX base model
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Exhaust help
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Stage 2
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 by Rizaydog
Need help choosing mods
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 by zax
Caution about speed shifting and clutches
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 by XJman
Difficulty getting car into gear
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 by Ricardowelch
Upgraded Fuel Injectors for 16' WRX
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 by zax
1JZ swap?
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 by zax
Cobb 745100 SF intake
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 by gpotts200
How much HP does one psi of boost equal
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 by NarrowBody
Engine Modifications Flat-fours and turbochargers are what set the WRX apart from the rest. Talk about them and the l...
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