- New STI header design for 2.5L engines?
- Check engine code P1443: Evaporative emission control system vent control function?
- Rotten Egg smell from exhuast
- overheating and antifreeze all over
- ned to know injector size
- Seem To Be Running Rich
- is the second o2 sensor necessary?
- How many cats?
- Aftermarket exhaust on an automatic tranny
- Best exhaust?
- Cold air intakes
- header replacement procedure?
- N1 vs Evo vs Rallispec
- ram air
- O2 Sensor Malfunction Code
- A few questions.
- adjusting idle?
- What's wrong with this intake?
- OEM intake question
- Intake Manifold
- Help- Recalibrate Speedo
- Any impreza'99 2.5RS owners... please help me!
- Overbored/polished throttle body
- UDPs for a 98 2.5 RS
- CEI How to bypass it?
- Need help to locate the wires!
- Will these parts fit on MY02 TS???
- oxygen sensor
- Zex/Nitrous users check this out!
- wire harness for EJ22 and EJ25
- N/A beast has rod knock! Tuning didn't go well
- Will a Stromung dual tip from a 01RS fit on a 02TS???
- Will Borla Headers from an 01RS fit on a 02TS?
- MRT system installed on my MY02
- Resenator??
- Proecm? Yea Or Nea
- check engine light comes on at low gas
- Which chip is the best?
- 250 Hp Na?
- Maintenance Q&A
- Changing the Spark Timing
- If I install a Ganzflow, can I ever return intake back to stock?
- Dumb question, but I need help..
- I need to find some part numbers
- What do you guys think about the gravelsports intake?
- TPS wiring help needed ASAP! :-)
- help with hp?
- Defective Rack & Pinion Steering Gear
- MSD Ignition and Walbro
- Anyone with Cusco oil catch tank on GC8?
- cobb headers
- Any one heard of TC2 v2.5?
- Clutch
- Craked Block or Bad Head Gaskets
- My car keeps dying
- Pic Request: MAP
- Acronyms
- Horsepower Gains
- MIL Eliminators
- Need help on which exhaust
- are heads from 99rs the same as 2000rs?
- Exhaust idea, gimme some feedback
- Oil temp sensor
- Knock/Det. on startup? ECU stall engine?
- No A/C?
- Please Help......The car sometimes stalls when I shift to neutral on the road
- Twin Throttle Body
- Purolator Air Filter made my car loud :(
- Borla headers or S-AFC?
- WRX MUFF + STR8mid= wow!!
- Random Missfirre
- Re: H-6 Swap into '97 Outback
- MRT Headerback
- head swap.?
- putting in EGT probe
- Stromung fitment question
- MIL Eliminators/CEL fixes and Emissions??
- proECM + 100 octane race fuel = wheeeeee!
- Question about air/fuel sensors
- another one of those exhaust questions
- MRT vs. Brullen vs. Stromung
- Wheres the MRT?
- running very rich
- Oil spray? PCV Valve?
- multiple problems
- Need Help W/ Hesitation
- Car stalls in the morning when cold (20F)
- pdm intake
- Stock DOHC 2.5L Rod Length..
- PRM Intake
- Diffrence between -00 GT and -01 wrx?
- ebay mufflers
- impreza help
- injectors and rails
- hp gains
- 11:1 compression and nitrous, need advice.
- 1.8l upgrade to 2.5l ???
- 2.5RS mechanical differences
- Question about actually using n20
- Question about Minnam intake with Greddy filter
- does anyone have the apexi N1
- OT: but 4wd related
- stalls
- Heat shield???
- 93 Impreza L upgrades and newbie questions
- Help with stripped motor mount bolt
- okay so its bad to tow an AWD car with 2 wheels on the ground
- NYAHO (Need yet another header opinon)
- Borlas supposed to sound Raspy?
- need help one last time!
- SOHC and DOHC
- Just a thought (concerning engine stalls)
- Poor gas mileage from GC8
- Engine Knocking?
- fender air ducts???
- how to put on stromung exhaust?
- maf and map link
- MRT cat (meow!)
- MRT restrictor plates finally in!
- 2.5RS DOHC Head Gasket Job Parts List
- Fast 2.5 rs N.A?!
- Christmas Parts!!!
- Where to buy Silicon Connectors?
- pcv valve
- Hesitation after ground mod?
- to those with scoobysport exhaust on an 02 rs..
- reversed intake manifold
- Intake test!
- 2.2 n/a way
- valve lash?
- RS 2.5 Front Diff...open or LSD?
- need help seriously
- funny idle???
- Help my car out
- Are Denso or NGK Iridium plugs worth getting?
- Idling Problems
- Brullen Headers & CEL: Questions
- Got my first CEL, stock headers, Cat, ECU - Help please
- O2 sensor question.
- Factory Performance Gauge Pack Questions
- PDM turboing..
- My first CEL
- Are there any exhausts (Header back) that will not throw a cel ?
- Gotta win what should i do
- Hi-Flow cat - 1st impression
- Whats the going rate for a 2.5 engine ?
- Tanabe Racing Medalion
- Engine specifications - Bore & Stroke etc.
- How is the SPT performance Exhaust
- Need Help: CEL Diagnostics
- Brullen header back exhaust
- For your listening pleasure.
- what headers work w/ the phase i 2.2l?
- Need engine wiring diagrams
- Exhaust questions
- Cobb cai question
- chirping sound from exhaust
- more exhaust questions
- How many miles could you get on a SS Stromung before replacing??
- wanted: sources for pre-made subaru-specific high flow catalytic pipes
- what to do.. looking for a 2.5RS but is the DOHC that bad?
- Headers 'n everything
- Apexi N1 cat-back question
- 99 RS owners...How big is your tank?
- midpipe choices?
- cel problem
- Big Problem: Engine revs cutting out
- my car is slow! help!
- Now the car is not starting
- Borla Gen 4 header results
- car stalled out on me
- Works needed for 2.2L?
- Need Help ASAP with borla system
- Hawker Battery Install
- Mrt header fitment with stock wrx cat-back?
- HKS Carbon-Ti Exhaust
- The Header Information Thread
- Crank HP from chassis dyno
- cat back
- Uh Oh, problems!?
- Need help with a CEL code
- I got a little cash and i need to spend it.
- YIKES! Speedometer went out
- P2 2.5 block to P1 2.2 Heads
- deresonated midpipe
- School me on RS cat pipes
- I bought a pulley set
- plug wires
- 2000-2001 catback fitment on 2002rs
- New Stromung Install
- Seam-welding questions
- TWE Camms are looking Mighty good
- Think I blew a head gasket
- replaced motor(2.2 to 2.5) and now clutch pedal is on floor!
- High Flow Cat?
- Car shuts off while driving (post for a friend)
- I just put my new 2.5 motor in my 97 L- finally got everything all set to go and turn
- Looking for a quieter exhaust, suggestions?
- Misfires dangerous?
- WRX Swaps
- I think I have dual port heads?
- Specific question about Greddy Evo
- Jerky acceleration and sputter all of a sudden
- Need fuel pressure readings (Just installed)
- gc8 n-1
- N/A mods --hp gains?
- popcorn in the vents?
- failed inspection
- squeaking belt noise from rear of engine bay
- Cobb Stage 2 Motor
- NA timing
- best springs? best CAI?
- Injector noise
- Anyone Using A Weapon*r Dragon Filter?
- Cobb Exhaust
- Prodrive axle-back on a MY02 2.5RS
- Problems with 5th gear HELP
- STI Injectors
- Oil pan gasket replacement on a 2.5 Legacy??
- MBRP Exhaust, PDM Intake?
- Time for a new clutch, Suggestions wanted
- Exhaust funky idea I could do...
- EJ25D vs. EJ253??
- headers + high flow cat worth it?
- ridiculous gas mileage
- Getting rid of my CEL??
- N/A thing similar to blow off valve
- Overheating
- Fuel Mileage has dropped since my K&N - normal?
- Before I Install These Borla Headers...
- dumb question - spark plug torque
- Fidanza Flywheel?
- stromung question
- Mod Question
- Engine turned off by itself
- Apexi N'1 Decible Levels
- my mpg sux
- EJ25 Magnecor's keep coming off
- Put on your earmuffs!!
- Stromung Fitment Question
- torque chip
- intake silencer removal
- ECU on 2.5RS
- N/A owners need your EGT readings
- the hesitation problem?
- Hmmmm this is odd
- Killing our cars?
- Running really rich
- Gravel Sport Intake?
- Engine knocking when left outside in the cold.