- Exact difference between APS R1 and R2 exhausts?
- 2006 WRX question
- Perrin Downpipe on STI 2006
- Perrin Fuel Rail Problems
- '05 STI Intake Upgrade Help
- What is the stock...
- Anyone know the route of the IC sprayer line?
- Am I missing something??
- should i add another fuel managment or change it completely
- max boost with vf39
- FPR on STI??
- V2 Catless DP + N1 race exhaust (catback) = turboback?
- TXS FMIC, what's the secret to keep the air in it?
- TXS FMIC, what's the secret to keep the air in it?
- What is the standard compression test values on a 2.5ltr with forged pistons
- ordering a K&N typhoon.. yes or no??
- Injectors for Power Enterprise 1820 Turbo?
- Scored! Version 8 tgvless manifold on it's way
- What compression are ppl running on there 2.5ltr engines
- max whp of stock STI axelback
- Who makes a kit for the 20G turbo upgrade?
- new Sti owner
- Datalogging Typhoon on Legacy 2.5GT motor
- question on fmic? will this work?
- Removed MBC, Boost spikes .. need pics!
- CEL Light w/ Freeze Data
- will a 04 sti intake fit on an 06
- Tapping my COBB uppipe
- Reduced peak boost after header install
- easy question
- Flashing cruise light help!!?!
- No-scratch APS CAI install tip:
- Cobb AP Stg 2 and headers?
- help on fuel pump
- '06 STI Dyno- Stock & Tuned
- Another Blow off valve thread..
- New Engine needed. 2.65 info
- TMIC question.
- When to use IC Spray?
- 4cly. Engine displacement
- catback and downpipe preferces???
- AVC-r tuning questions
- Inlet hose install help. Please look at picture
- Where To Start
- invidia uppipe EGT bung but no sensor for it on 05 STI
- Stealthback versus full TBE?
- Twin-Scroll Kits for 2.5's
- Latching DCCD to stay ON
- need help guys
- '06 Wrx... Cel/p0244
- An interesting pic for STI owners
- how to choose ext gate size?
- Cam position...bank 1. help.
- Why do people say FMIC on a sti/vf39 is a waste, but not on a 2.0 "stage 4"???
- Datalog:Legacy motor with typhoon intake
- Sure, it's quiet, but does a Stealthback improve tone?
- Invidia N1 users: Exhaust hangers?
- Converting TBW to Cable???
- Any TurboXS Stealth w/STI Genome STIs??
- Catless Perrin Downpipe Install Prob!!!
- Best Turbo Upgrade For Sti??
- What condensing material is in your oil catch can?
- Perrin EBCS Instructions
- Mods with stage 2 AP??
- Ultimate Upgrade path for the EJ257.
- Looking to upgrade the turbo setup on my 06 WRX..
- 06 Intercooler and Hoses?
- Installed UTEC on 2006... Not good
- easy question...
- does anyone make a vertical mount turbo?
- Is FMIC really needed when running WI?
- 05 STi down pipe.
- Engine bay making an air horn sound
- Ideal Setup for my Legacy GT?
- DIY Idea: Foglamp ducts to the engine bay.
- WRX and '05 STi TMIC Help!
- what RPM is to high for stock STi? vendors imput also welcome :hint hint:
- Zerosports Catback with OEM DP on 04 STI sound clip
- Who makes nonequal length header?
- Question on mounting points for stock heatshield
- 2004 Forester XT
- Vishnu Standard Exhaust Quality?
- Carrillo or Pauter rods - Which would you choose?
- Drivers Image in Skokie, IL and Negligence
- p1152 help
- long block questions
- max cam advance over static (apart)
- Legacy 2.5GT engine internals?
- Cylinder Order
- Short block question
- STI exhaust manifold- same as Forester XT?
- inlet pipes
- 2006 WRX owners
- Bad APS topmount elbow hose. Need to buy one, can't find it
- Has anyone tested the APS Header?
- EJ257 how much HP can stock crank take?
- oil cooler for 06 STI?
- H4 vs Inline-4 turbo efficiency questions.
- what pipeing should i get?
- rumbling noise when shifting gears on 06
- FP Red + UTEC = ? Timing
- What TMIC's fit w/o modifiying the intercooler shroud on STi?
- 06 Wrx Block Same As 06 Sti Block???
- Looking to swap my turbo...
- quick question, please help.
- Mysterious check engine light indentified.
- catted downpipe for '06 WRX Auto?
- headers need ecu upgrade?????
- cold start problem
- shaft play?
- STi Factory Turbo Gauge- Is it me or is this thing useless?
- Anyone have a turbo failure or malfunction on a new STi?
- Max boost on the factory 06 WRX turbo?
- What headers for my 06 2.5 WRX
- 230 horsepower on the 06 wrx?
- what fmic to get?
- New SOA-Approved Intake; Dyno Proven +5 hp, +10 lb-ft
- Blitz FMIC with Greddy Oil Cooler
- Proposed Setup: 20g/SZ49, TMIC/FMIC? For Track car/every day driver
- 2004 vs 2006 Forester XT
- 2004 vs 2006 Forester XT
- alk/meth/water?
- MAP sensor. I need a picture of it.
- High Impedance Top Feed 1000 cc injectors
- Bosal Catless Downpipe.
- What do you want to know about aftermarket pistons?
- perrin big maf on a vf39?
- help me figure out my buddys sti...
- ihi v22 on 2.5 WRX
- Removing Piston #1
- Anyone from Australia with the 2.5L 9.0:1 compression WRX?
- downpipe Q?
- What controlls turbo "boost" as you rev?
- is this normal...
- Interesting new Timing Belt Tensioner Failure
- '06 Sti exhaust question....
- Tanabe Concept G Turboback
- Looking for comments on PCV arrangement
- fp green
- Any risk to changing the exhaust on the 06 sti ?
- Emissions Testing Reference
- OK! I going to make this crap work....Also, a few questions about exhausts.
- Quick question on crankcase bolts
- compression test
- Is HKS Carbon TI exhaust good or bad?
- Short shift, off throttle stumble??
- 05 STi with big problems
- TBE Gains before/after Tuning
- CEL and flashing cruise, minor mods
- nos on sti?
- FP Green w/ 3in Inlet
- 05 STI Fuel pump question?
- Do you have an electric exhaust controller? - question for you.
- i need a list of...
- Zerosports Catted Downpipe
- Grinding the rod journal
- 450 whp requirements?
- A very old question~~CEL & Cruise! ...thanks!
- Boost creep and Spiking STOCK!!! Help!
- Questions about Fujitsubo exhaust
- Which downpipes use taper to 2.5" and use the donut gasket?
- Ported wastgate?
- Cobb SF Intake VS. K&N Typhoon SR?
- BCS without tune?
- Invidia V2 DP
- 2006 WRX w/ 2.5L - Ecutek Gains
- EGT's with turboback exhaust on Cold Temps ??
- Rear DIff protector and exhaust clearance
- can anyone tell me stock usdm sti tmic dimensions?
- 06 WRX + more boost = slower, ***?
- rattling sound on 05 sti
- TurboXS Magnaflow Exhaust
- GT65 kit anyone?
- Minimum RPM in 6th?
- Whose exhaust clip is this on streetfire?
- General question about EJ257
- Will this get the STI to the 11s?
- Most power safely with stock internals...
- Help, Fuel Cut Symptoms!
- Lightened pully and longevity
- GT25 Questions...
- Definitive answer: are the USDM STi's rods forged?
- help me choose the turbo
- GT30R & GT35R with different Turbine housing
- Help!what is the best way to install gpmoto headers?
- aps sr55 vs deadbolt sz55
- what is the best Front mount ic 06 sti?
- Before I start her up again. What am I missing?(hybrid)
- 06 WRX turbo question
- whp question
- Sti intake
- Quick Question:Does the Perrin STi TMIC use stock brackets?
- Walbro 655 install into '04 STi - modify the box?
- Got my Perrin Rotated 30r kit(Pdxtuning Rocks)
- Reflash for CAI intake and fuel pump?
- Peak and hold injectors and you.
- Injen FMIC+JDM Fogs=Working Solution?
- Suggest Next Mod Please!!!
- Fluid filled harmonicly balanced pulley
- did anyone take his STI to 7K RPM+?
- Check engine light and cruise light, but no codes found in the Cobb Accessport
- KOYO part number needed (STi Rack)
- 2400 RPM Idle Issue on '06 WRX STI. Bad sensor maybe?
- Wondering what BOV I should get on my XT?
- Who is running a converted stock turbo with 16G wheel?
- 06 WRX and STI appears to have same internals....
- 2.25" versus 3" turbo inlet
- Gas leaking out of exhaust
- Switching from Greddy Evo2 to Invidia G200
- 2006 wrx "surging" issue
- Refurbished Crawford S2
- Intake Question
- questions about fuel cut and cel fix
- Upgrading My STi
- ??External Wastegate??
- Fuel Cut and CEL
- Anybody have any power gains from an Invidia G200?
- just wanting a baseline...
- Perrin Big MAF intake on stock STi
- Group-N mounts in 06, cheapest place?
- How much power can you expect from...
- Does anyone know what this plug is?
- compressor surge question
- jdm ver. 8 sti heads vs usdm sti heads
- How to fix Cel P0038
- another txs fmic install
- Ok, Problem... Maybe... Suggestions + Help pls
- APS header Question
- question about header wraps.
- Lightweight Exhaust?
- Any 2006 with engine mount problems??
- Downpipe coming from SPT soon?
- Intercooler Tech - Tube and Fin vs. Bar and Plate
- woosh?
- 06 wrx intercooler hoses
- 2005 sti
- Any engine bay pics of PE1825F twin scroll turbo setup??
- TBE Vs. Cat-Back
- Tial EWG and Stock solenoid possible?
- Tial EWG and Stock solenoid possible?
- turbonetics wastegate experiences?
- Kartboy Long hangers W/ Invidia g200?
- Inspecting the cylinder block and other Q's
- Turbo boost psi on 2.5
- POLL on FMIC
- What do you alky/meth/water inj gurus think of this?
- Experiences with Element Tuning EWG flanged uppipe?
- not hitting target boost...........
- wastegate probs???
- When replacing short block, do you need to resurface...