- STi Ecutek vs UTEC
- APS50 turbo or a FP Green?
- AVCS question
- do our turbos glow?
- How much boost on a ej257
- STI Hydra Stand-alone coming soon
- EJ257 Con-Rod Bolts
- TXS STI power packages / staged kits....when ??
- Element tuning STi ECU!
- FMIC questions
- STI Fuel Pump Question?
- Has the UK (EVO , CAR etc) gotten the US STI yet?
- Someone with an STI do me a favor (pretty easy actually)
- UTEC dyno results on stock STi
- sti a/c lines on fxt
- UTEC is in...my car!
- how much power with a vf22 ?
- UTEC Tech Questions
- mating Helix 3" downpipe to OEM catback = leak; suggestions?
- xdrtrd
- turboxs bov type h
- Magnaflow TI -- PICS
- sti smoking
- New turbo for my Sti
- green plugs under steering wheel...
- oil consumption and synthetic oil
- Turbo wastegate
- Car shoots white smoke while shifting
- HKS SSQV adapter?
- Drove a Vishnu Stage 1 STI this weekend
- heatsheild around uppipe loose and rattling.
- Weird vibration noise coming from rear.
- quick question about installing a fuel pressure gauge
- All nonsense aside: What can turbos deliver?
- Utec for the Forester
- 05 impreza STi and 05 Legacy GT
- Valve cover leak common?
- Actual Real Dyno Plot of GT32 Kit on FXT
- Injector duty cycle for UTEC
- Block halves torque sequence and specs
- axle back Question, Genome or STi Sport Muffler Section
- Greddy FMIC
- GT35r kit w/o EM. no knock....
- 3 Codes....Input please
- tranny problem
- vf39 with 18-20g comp wheel installed
- fuel injector options
- blitz sandwich adaptor help
- EGT options ( Exhaust Gas Technologies )
- Accidentally filled up with 89, will I have problems?
- Which Dremel bit for porting wastegate?
- UTEC Question
- EJ25 boost level
- Who has removed the factory uppipe on the STI? Quick question.
- Cobb Access port on the Website!
- 11.97 STi
- 2nd Call for JDM/UK/AUS Information!
- Xede question........
- PDE downpipe review or info needed.
- STi/WRX Mods & Warranty issues...
- I need opinions from the turbo gurus
- Warning, Hood popped open on freeway.
- First Sti Ecutek'd
- Stock Motor Boost Threshold?
- Pe 1825
- STI upgrade advice
- Big turbo people, your engine management choice?
- Sti Mods Enough For 11's?
- what do I need to the last nut & bolt to go turbo?
- Hydra, AccessPort & UTEC Question for STI
- Brand New Subi, Which Tail-fin
- Acceptable Boost Levels on STi Motor
- Turbo questions, VF 22,34,39 GT ect...
- Acura RSX, TSX Oil filter works!
- God Updates on GT25
- FP Green a Bolt On Turbo??
- Engine/turbo Noise
- How to port and polish vf39
- World One Performance STI Want INFO
- aftermarket cat-back exhaust for '04 sti
- Real Step Colder Spark Plugs for STi
- xs 450
- GP Moto Headers+ Jet-hot Coating
- STi with no cats, and NO BOOST CREEP
- to port or not to port, that is the question.
- Stock STi oil pressure at idle?
- Vishnu Sti Turboback
- Main Bearing Width?
- Xcelleration.com 430hp kit slower than stock???
- disappointed revised
- Should have bought an EVO if you wanted to mod!
- For Kaneda - some basic sti mods:
- Totoherbs - boltons or mods?
- Just picked up my STi
- Just cause you PARENTS have nice cars kaneda
- Installed a VF37 Twin Scroll to USDM STI
- where to buy an fp green
- Ocatane question for you guys.
- Stock STi Dyno?
- Installed Invidia DP...and now an extra little sound
- STi little knowledge=no mods. What to do?
- PDE downpipe vs. Perrin
- EJ257 specs
- gt28rs vs sr50
- Rough Idle on new car?
- Mystery Fuel Cut
- Hey Turbo XS New Front Mount Intercoolers
- Race Pipe or Hi Flow Cat?
- goal to run low 12's
- The TRUTH
- ECUTEK Update
- Sti exhaust manifold ??
- help me pick a turbo
- What is the stock STi Turbo?
- Intake silencer / panel mod
- VF39 wastegate port tapering
- Increasing Torque
- SE dyno day with Vishnu
- Turbo Selection:Compressor Map Comparison
- Perrin fuel rails/injectors
- breaking in the engine...
- Who makes the loudest blow off valve?
- The STi Ultimate "Help Me Spend $$$" Answers Thread
- Exhuast Manifold
- Oil Pressure Question
- need a trunk swap write up
- Oil consumption problems, also catch can amounts
- DCCD at 35/65
- I am going crazy
- 3" Stromung Intermediate pipe??
- Aftermarket Headers a necessity for high hp?
- Bad Idle w/perrin injectors
- advice for STi noob please
- STI Needs Lumbar Support!!!!!!!!!!
- Installing new TBE. Torque specs on bolts?
- Anybody know how much just the STI muffler exhaust piece weighs?
- about to purchase gt spec header anything i should know?
- Which FMIC and why did you choose it.....
- Installing APS 3.5" TBE
- DownPipe Question - Dump Valve
- fixing fins on IC
- FMIC on a 2004 STi.... w/foglights?
- Hot Earth System
- poor AC
- ebay headers
- "Normal" Engine Noise?
- tanabe racing medalion?
- What front mount for a green making 350whp on my STI
- Does the 3/16 mod include the sti
- Boost Gauge install gone wrong.
- What happened to IMPREZAWRXSTI.COM?
- GSS342 fuel pump in STi = lower IDC?
- APS SR50 Rebuild
- 5th gear grind in STi & repairs
- Exhaust: Stock or 3" at what point do you change?
- twin scroll turbo
- Greddy 20G turbo kit
- APS TBE wheel dyno #'s
- Aftermarket Pistons for EJ257
- Perrin Big MAF
- Ported VF39 question
- turbo failure
- Where to buy new STI heads?
- catch can
- sti intercooler
- APS 500 VS 650 INTERCOOLER?? which one
- Ported Sti Head
- Why do people get an aftermarket silencer elbow?
- 5zigen pro racer spec ex-III a spec exhaust
- APS RACE 3.5" Exhaust owners please chime in...
- Excellent autocrosser
- Avo Tbe?
- Anyone have "Tuned" XEDE maps for a turbo upgrade?
- Post-Intake Silencer help
- WRX TurboXS TBE on an STi
- Forester XT inconsistant power
- catch can debate answered from jeff perrin
- dyno'd sti with exhaust today
- sti modding path
- STi UTEC dyno printout
- Can someone tell me.....
- Dyno'd STi a week ago
- STi exhaust ports vs. exhaust manfold?
- engine management for baja T?
- Just installed WORX TUNING'S dual stage BOV on my STI...
- TurboXS TBE Catless vs Catted
- Perrin big maf question
- Will the "Old School" Unichip work on the STi?
- 8500 rpm misshift
- Help!! Greddy type s
- Open to critique
- no boost before 1,000 miles?
- cat-back exhaust options
- MAF Vs Injector size + others Qs
- Vishnu WRX Stage 2 VS Vishnu STI Stage 1
- quick question: how many washers in an RFL in an STi
- how to measure air temp after intercooler...
- Somebody dented my STI :(
- Has prodrive released the STI muffler yet?
- Vishnu "trick"
- Too much oil in my 05 STi?
- FREE Toluene and Xylene octane calculator for DIY race gas
- when is the first oil change?
- STI bov vs. WRX bov
- Installed my TurboXS Ti-RFL rear section. quick Q
- O2 sensor question
- Apexi intake
- Catback, CEL & Warranty
- Modified TMIC to fit STI pics
- burning oil and smoke on a 2.5L swap...
- STi bigger injectors.
- '05 STI odd sound question
- Perrin 4" slashcut single tip catback
- Fuel starvation.
- Short shifter kit
- TurboXS Exhaust turning purple..
- Cobb Exhaust
- silencer removal review
- PDE downpipe with cat
- perrin catch can filter material
- 2.5 STi Injectors
- i need help please
- Hybride or 2.5t all over ????
- Looking for an AVO TBE
- Shiv tuned STi
- ? about MRT FMIC
- New Turbo XS front mount on worldone sight
- Real Rich
- Engine check light & Cruise light on
- prodrive gco5-f
- Perrin turbo inlet hose
- 2004 STi, turbo-back exhaust, no MIL Eliminator... no CEL!
- Req. Pics of Blitz touring exhaust on STi
- whiplash?
- Time for the superflapper...need ad.
- my new toys
- Good turbo timer for sti
- What are your thoughts on Engine Management Choices.........
- Will the access port alow custome tuning?
- turbo xs turbo back
- will the airbags work?
- feedback required on built 2.5 blocks
- Ozzie needs help on 2.5sti
- what is the best turbo for the STi?
- STI Utec
- UTEC and Stock Turbo...Safe boost level?
- FMIC suggestion
- exhaust wrap?
- Do I need a manual boost controller with these mods?
- CEL flashing and fans turning on on 05 STI