- will wrx tbe swap with sti?
- Advancing/Retard Cam Gears?
- mods
- Are the basic CP pistons of lower quality compared to other makers???
- benefit of removing casting flash around valvetrain?
- equal length header with large turbo ?'s
- Are BOV worth it?
- Pics of Ultimate Racing GT35R kit with TXS FMIC
- Needs Advise for CEL code P2102
- TMIC intercoolers, who has one?
- GT30R wastgate boost problem
- Looking for a good knock sensor.
- 04 STi with 272 Cams
- oil leak help
- help cel p0325
- NE1 got 300+ ft-lbs > 2000 RPM on 91 octa
- Help Plz about cel fix
- Any Dyno results of a STOCK STI with ECUTEK CUSTOM TUNED?
- STI Injector Install
- can you mod sti pink injectors?
- invidia tb g200 or n1
- Opinion on Stage2 configuration
- Heatshield broke... now I am "heatshieldless", what should I do?
- whats the most can a stock STI boost?
- Anyone out there using TD06H-20G Turbo as an upgrade?
- Big MAF question
- APS DR725 w/perrin big maf
- EGT... what are they good for?
- Total newb: At 6K miles turbo making rythmic/oscillating whine at 2K-2.5K RPM?
- Heat shield with Cobb dp
- turbo upgrade 4 stock motot sti
- FMIC with JDM fogs...any new combos that work?
- TurboXS TBE finally arrived and installed...thoughts...
- Discussion: Connecting Rods
- down pipe
- intake manifold removal
- OWNED by VIVID RACING
- Borla Hush bent hangers
- DPR Ported Heads
- Fluctuating RPM at STEADY THROTTLE any RPM
- How many miles on your STI
- turbo upgrade
- Debating between TXS Stealhback and APS TBE?
- utec stage 2 what now?
- Diff. making noise when backing up?
- help, turbo install
- Electric current to heat aftermarket headers?
- Question for those with 816cc injectors...
- 05 sti have a built block?
- injen fmic w/ sz49? thoughts?
- Rear O2 CEL won't go away...
- 290 ish whp 300 whp
- How do I read the turbo boost gauge?
- What Cams to use w/ this setup?
- 2005 Legacy GT 2.5 Q's
- invidia + helix
- STI Plug & Play Injectors?
- "Performance Muffler (STi)" = Bosal Single Tip?
- Need answer quick! Vishnu Signature TBE 02 to 04 STi?
- Calling Engine Guru's....
- whats wrong with my sti injectors.....
- after market boost control for larger turbos, which one?
- helix catback
- Stalling issue
- Bumper beam bolts!
- broken baffle in stock exhaust
- "dee....dee.." noise
- Feedback Requested on Upgrade Choices
- Installed helix + hush, fitment issues
- ECU learning q
- question tmic
- FMIC install research
- O2 CEL fix for '05 question and link request.
- dp/up for my 05 sti
- LGT boost creep?
- Wierd Misfire Problem HELP!!!!
- STI shortblock swap: Do CP Pistons lower compression?
- Stage 2 to 20G, is it worth the $
- make more tq
- need exhaust manifold torque specs
- not hitting target boost w/ pe1820
- Cracked turbine housing
- turbo back exhaust question
- Strange noise
- first mods
- invidia n1 cat back
- full length catted DP
- Nice Cruiser
- SR Header Issues
- External Wastegate on stock turbo and computer?
- Bolt on turbo for 05 STi?
- TD06h-20G vs. Superzilla 49 what would be the main differences?
- Blew my motor
- Perrin or Samco Turbo Inlet Tubing???
- VF22 without supporting mods?
- '04 STi Stalling, sputtering, and hesitating feeling at WOT
- sz49/green owners: what ic are you using?
- Stromung shorty downpipe question
- 04sti vs 05
- Helix downpipe with stock sti exhaust
- Equal length header sound clip / reviews?
- EJ22T piston ring
- Which wastegate for me? (and other green related questions)
- Turbosmart 35mm ewg
- Crazy rotated kits and inspection/emissions
- Tial 38mm Installed Pic's
- Help with Cusco heatshield
- sti IC water sprayer unistall FAQ.
- Questions about Legacy GT
- sandwich adapter & oil cooler
- adpater for egt bung
- Question for you OG's
- quiet but gives power exhaust
- New ideas for TMIC sprayer
- vf39 turbo on 04' STI
- ATT: thoes with APS FMIC
- Failed Heatshields
- STI midpipe on a GC8
- APS DR725 pipes on DR500 core?
- Helix TMIC
- ATTENTION: Hydra STI Recall
- Oil cooler for the STi?
- Gt35r
- inlet pipe collapsing
- Down Time
- Blow-through MAF Sensor
- Potential 375WHP setup 05 STi
- Intake seal help!
- bog..bov venting prematurely? compressor surge? hmm
- Forester XT - Is 350hp easy?
- Leakdown Test Results
- Warning to any AP stage 2 owners that road race...
- Just bought TXS Stealthback. What gaskets are needed?
- '02 wrx to '04/'05 sti compatible aftermarket parts???
- Paging anyone with a Kingpin GT35R Turbo kit
- Bugeyed WRX wagon oil pan work on STi?
- Shorter exhaust hangers?? power getter hangs low
- invidia n1 + helix
- Perrin EBCS w/ EWG
- new axle-back smells like "burning"
- is stock o2 sensor on 05 sti wideband?
- Oil in Exhaust pipe, STI
- type s BOV install
- Perrin BigMaf fitment with Samco Turbo Inlet??
- Stock STi throttle/lagg issues
- ok final cam and sti question
- At what AFR does your STI idle? Big injectors same or diff?
- what do i need to build my motor for 500whp
- Modified Stock I/C sprayer
- helix catted DP + HKS carbon/ti = boost creep?
- what is best turbo for 400-450 WHP
- whose running aps tgv deletes
- Relocated coolant tank
- intake problems and questions
- Fuel system suggestions for 400whp STi
- diameter of radiator hose on STi
- Prodrive Legacy exhaust request.
- Detonation explained with pictures
- newb to exhaust manifold help!
- Is the 2.5L motor proned to detonate?
- intake woes....
- Where is the serial number on the STI 04 engine
- GT30R vs. GT35R
- noob q. 05sti blitz cbe
- My Polydyn coated CP pistons...
- Modified SR30
- 05 STI AP stage 2 18psi 1,700 deg
- Missfire with new spark plugs
- new 05 sti acting funny
- Engine boosting
- raise REV limiter
- Funny Smell, Oil? or gas or something else?
- cobb stage I running high psi
- HELP>> Need Sti Power Steering Pump ASAP!
- Fly By Wire Questions
- Picture of slowboy and fp green
- HKS/Prodrive exhaust on WRX vs SPT/bosal on STi sound
- pe850's just returned from rc engineering
- Turbo Heat Shields & Performance
- symptoms of bov leak
- boggin in low rpms
- About Porting
- Stromung or Greddy ?
- STI Intake Scoop & Silencer
- intake craze / stupidity
- thermal exhaust better than others
- DPR Releases STi AVCS Cams
- I have a strange problem... I think
- ECU error code 230
- Anyone use Mahle Powerpack Pistons??
- remove speed governor?
- GPMoto GT32 kits
- P0139 cel code
- k/n install
- o2 readings
- Hi flow cat converter - how much HP lost?
- Stumbling Issues
- ARC induction box?
- Anyone with WORXtuning DP?
- this is the engine package im getting, suggestions?
- VF39 and PE1820
- aftermarket header (borla) and plastic undertrey
- aftermarket front 02 sensor
- Invidia N1
- Defi BF install: Pay or DIY?
- what clutches are people using for 450-500whp?
- Heat shield neccesary?
- Help! Part number needed
- installed perrin modified injectors
- Best BOV for Big Hp setups
- Road race turbo??
- front 02 sensor woes....
- STi vs. EVO internal Potential
- Comperable turbo to vf39
- defi d gauges...
- poor 1/4 mile times
- STi vs. EVO potential...
- Where to buy an upipe to suit a rotated GT35R.
- Who is running a CAI with AP stg 2?
- cel p1598?
- why did my coil packs melt down?
- My power Setup? Smart or not?
- question about mt compression test results
- Couple of questions about oil cooling system
- Cams and cam sprocket for STI?
- ECU Reset
- What's average life expectancy of a TD04?
- Should I buy WRX or STI?!?
- 20% ethanol, should I be concerned?
- gruppes gt30r external wastegate
- pros and cons of longer rods?
- TCS Signal Circut High Output
- New turbo kits on the horizon...
- Perrin Modified STI Injectors - 6.6% apart
- Wastegate or weak inlet tube?
- whats the same as my 2.5 XT outback
- PLEASE HELP!!!: 04 USDM STI Engine Question
- deadbolt TD06H 20G
- which turbo for Sti
- Help. compression #'s and misfire codes.
- NX N-tercooler Kit
- Anybody ever seen a 2.5l engine with AVCS on the exhaust side too?
- What do GT30R's sounds like when spinning them off the car?
- Pulling Clutch, what else should I do?
- what is the lowest and highest we've seen on here...with bone stock sti's...
- Engine dimensions
- Rotated mount kits, MAF placement, and driveability
- Has anyone tried the FP 20G?
- Stover nuts
- ARGGGGGG .. Grinding 4th and 5th gear!!