- Buschur Racing Cai?
- 06 WRX gas pedle in car with STi swap
- Will an 05 STi turbo inlet work on an 02 WRX?
- Boost drop problem with 20G on 05 STi
- Car Hiccups @5000 rpm in 2nd
- no hitting target boost?
- '07 STI owners help
- Forged internals??
- TD05-18G 8cm, how much boost should I be running?
- Well tuned sti's running VF39's and DTEC
- less boost after wastegate port?
- Shorty DP + OEM 3rd cat + OEM STI CBE = ?
- 05/06 Sti Tmic question
- for those with FP greens.......
- Seafoam to find exhaust leak ?
- fp red install this weekend, how should i break in turbo?
- HKS exhaust hitting rear diff...
- Max boost on a vf39
- How much is a new STI engine?
- anyone know what size the pe850 sidefeed
- 05 STI o2 sensor bung thread size
- Stock Heat Shield
- Question: Any one using a SARD R2D2 Blow Off Valve Kit on 07STi?
- Shorty DP + OEM 3rd cat + OEM STI CBE = ?
- engine knocking while getting tuned
- Whats the fastest STi ever ran with FPgreen 7cm or 8cm green
- Which intercooler would you go with?
- im so stunned car cruising rough
- what is your WGDC % with the Perrin EBCS?
- boost drops at full throttle
- Which is the bigger compressor wheel: VF22 or 18G
- 2007 STI's with no problems...
- oil temp in 280"F, normal??
- HELP! 07 TR Low Boost Issue
- APS 70mm CAI + APS TIP feedback
- which turbo for HP holding to red line?
- weird noise
- 07 STi knock sensor vs previous years
- what tgv cores compatable with 07 sti?
- Snorkus Removal; Created my own delete elbow
- what downpipe is this?
- Perrin GT kits and intercooler question
- GT comparable to VF34
- Please Help Me!!!!!!!
- bdl fuel rails
- Restrictor pill
- anyone can help me?
- electronic dump valve ?'s
- Codes P2096 & P0137
- uppipe install price
- Hesitation on stock 2008 WRX
- Just flashed stage 2 have a question...
- upgraded intake manifold
- Perrin downpipe help
- Will the Invidia header bolt on to my 05 LGT?
- Need help NOW! Outside working . . .
- equal vs unequal length headers on an 06 TR
- connecting my Defi oil temp sensor, wrong thread pitch?
- whirling noise with cold engine, is this normal?
- help
- Surging/stutter problem solved on 06
- wastegate arm
- Big bolt on stock TMIC turbo for 05 STi??
- HELP: As we speak I'm installing fuel pump right now
- How much boost will the stock block and heads take?
- will sti injectors work on an 06 wrx?
- crank pully wobble
- oil level
- quick Downpipe question(to mates with JIC)
- '05 STi - Y-Pipe?
- Drivetain issues on horizontal slopes?
- Idle problem with 07 WRX TR
- what is my car doing?
- Downpipe Lengths
- possible stock turbo setup
- weird overheating issue
- best radiator for an 07 sti
- Swapped exhausts, hanger question...
- BOV question
- help
- greddy ti-c vs. invidia G200
- 07 STI - Strange Coolant Issue
- car floods after fiiling up on gas
- ...whats next....?
- Running an External pump off the stock fuel pump controller?
- whats the next setup turbo?
- 6k Hesitation
- need dump tube for ewg
- vf39 swap, bad turbo? any help?
- Upgrade time again. Think it will be noticeable?
- Pics of a bracket to hold internal WG shut?
- Downpipie 02 Sensor question :Urgent:
- 06 hesitation problems
- 2007 STI Creaking in the back????
- BOV means MAF messing up and running rich?
- 06/07 WRX - Why does radiator move?
- Cooling diagram or schematic??????
- fp green outlet size
- Boost Problem!!
- 07 Oil Leak
- My review: Crawford vs. Perrin rotated kits + GT vs. T31 turbine housing
- The Question (Tuners Only)...
- downpipe to turbo gasket issue..
- Headache on an 04 motor
- dp heat wrap install?
- What gasket to be used for STI Greddy Evo2?
- quick ?: r wrx headers compatible with the sti?
- EL? How to tell...
- TurboXS Stealthback - Can Cobb fit?
- Humming noise... Please help me diagnose!
- 16g to 20g turbo swap
- wrx heads on 2.5l block
- HELP! I dont know whats going on now
- ...knocking without accelerating??
- Open cat question/ Custom exhaust question
- EJ255 Engine
- 05 sti dbw relay??
- injectors question
- Official PERRIN™ Q&A thread PART TWO 2.5L
- SPT Shroud, not just a nice piece of bling?
- Boost leak test....need help
- GT2871 vs. GT30R
- 02-05 vs. 06-07 WRX / STI Exhaust Manifold
- Compression test question
- looking for that magical 400whp
- PLease help the noob pick out a new IHI turbo!
- COBB 3" Catted DP Install Issues
- belt squeals
- sti intercooler swap.
- Max boost in 1st on 06 STI
- invidia downpipe?
- Stock BPV
- Boom!
- Catless turbo back
- Engine Noise (rattle)
- y-pipe question
- Where does this wire go ? (Need picture of area under STi I/C) (2004)
- pop-jerk-CEL...
- A quick request for help from TiC
- Very annoying boost problem :[
- APS inlet so what else i need?
- Power loss....
- recent stage 4 opinion.....
- list of turbos capable of 500whp...
- 2008/2009 owners...please read....
- GT35R STI with Custom FMIC Reverse Flow with Perrin Meth Kit(installed by Junior)PIC!
- Boost indicates too high
- Is the APS Stealth FMIC Painted, Powdercoated, Anodized?
- wierd tapping sound, cant find problem, help!
- Boost spike?
- AFR when decelerating?
- symptons of rod bearing failure??
- Low Oil Pressure After Hid Install
- Explain this MAF sensor Problem !
- Low Oil Pressure
- Different inner diameters of rotated mount uppipes
- best 35r kit
- Squeal during start-up
- Front mount intercoolers for STI
- HELP! no spark, possible coil pack short
- electrical problems please help
- CEL P2109 Throttle Postion Sensor
- MAF Aluminum flange plate
- 07 Sti oil feed line HELP Please
- How much will I be kicking myself...
- 2006 EM Stuff
- Need Help!!!!
- Perrin Cold Air extension on Big MAF
- How bad or good really are BOV's?
- Where is my car leaking coolant from??
- sti headers?
- BCS , 2 way or 3 way iam lost .
- 07 stage 2, ecu limiting boost 8-7 psi after hitting rev limiter
- Gt35r housing swap
- stage 2 06 wrx, seeing problems.
- Are vf43 housings cracking?
- Fuel system upgrade, take 2....
- car smells
- Anyone with the Perrin kit have this problem?
- P0255 cell???
- no check engine light?
- APS dr525
- Sti injectors??
- BPV need blow trough maf ?
- Help Needed!! 20g Install - Engine Won't Rev
- sti moral dilema
- Last year for Turbo 5sp MT Legacy?
- Installed TBE and Reflashed, now throttle response diminished.
- If rod bearing fails....
- Downpipe to Midpipe Gasket
- 2006 WRX need help
- Gravelly exhaust note at WOT
- hks super sqv HELP 07 sti
- VF39 Boost map - max flow?
- Espelir JGT500
- Anyone done a custom exhaust with multiple resonators?
- TXS stealth back - DP full of angry bees?
- HELP!!!! Metal Ticking!!
- Perrin vs U-R vs P&L
- EJ20 out.. EJ257 in. Advise wanted on spec please.
- Catching oil in PCV at high boost but not anyother time
- ease my fears
- ARC super induction box filter
- Prodrive 3 port EBCS plumbing
- Turbo Xs fmic install question for 06 STi! Already searched..
- Banjo filters
- What is the MAX WHP that a stock VF39 or VF43 turbo can make on a stock STi engine?
- hesitation between 5000-6000 rpm's???
- Turbo Oil Seal ?
- boost psi?
- Best Big Turbo For the Street
- P0171 trouble shooting before i get down and dirty
- posted this elsewhere and got no response
- evo 8 turbo on sti
- Cheapest forged shortblock?
- deadbolt 20g with 3in inlet
- sti hesitating above 5k
- Ecu Cel?
- Who knows?
- Wastegate Arm Disconnected
- wrx time for a checkup?
- Went in for the reflash...was told there was none
- OMG!!!! Sparks Coming From Exhaust Help!!!!
- startling noise!!! help
- Mass Air Flow Sensor problem
- 06 Forester XT sounds like the pipion bearing is gone
- 04 STI Smoking!
- EWG noob. I cant get boost under control...
- N00b Q: STP Intake - Losing power?
- I need some insight on Intercoolers and some other thoughts.
- perrin blow thru on aps fmic?
- Process West FMIC
- Question for 07 STi owners who do data logging
- CEL problem
- 30R Injector duty cycle
- Prodrive exhaust with STG 2 COBB...maybe
- Fuel Pump
- misfire in cylinder #1????
- boost curve and timing curve questions
- Bigger turbo?
- Whats missing from this setup?
- Looking for BOV... Any suggestion?
- 07 Sti shortblocks going down in price...
- In Preparation for vf39 install, a few questions
- 02 wrx to 06 2.5 liter noticeable difference?
- Blow Thru Boost tube?
- Sti Peaked at 1.2 Bar or 17.5 PSi of boost why
- What next? Opinions please.
- Rough 1st/2nd gear during low throttle. Driveline lash? DBW? Ninja Wombats?
- Deadbolt 20g