- confused about engine
- Wierd Coolant Problem!!!
- JDM engines?
- Oil drain plug torque numbers??
- NA - modded lots, happy, but i have a quick question
- Intermittent starting trouble during winter months.
- well i know i need heads
- 03 Bugeye misfire CEL (cyl. 1&2) ??
- Werrring Noise with new mods.
- Head Gasket? What else could it be? (XPosted in Legacy)
- meth :)
- Anybody know anything about Hydrogen on Demand systems?
- early 2.2 heads on a late 2.2?
- Finally, the old L hits the strip
- PLEASE HELP: '06 Tribeca with 50,000 miles and sudden overheating issues.
- uel headers question
- ej22 auto to manual transmission swap
- Borla Header Question - how to confirm fit if seller does not know info
- 2007 Impreza 2.5i consuming oil
- :engine specialists
- Port Question
- Gravelsport (scoop-fed CAI) review on Rs25.com
- 08 N/A exhaust
- has any one removed the stock rev limiter
- IAC on a 2002
- 3 quarts at oil change
- Borla Headers and Cat-Back Exhaust ?
- Cat-back Vs. Axle-back
- Need some help IDing fuel injectors
- any place in MA do 2.5rs chipping?
- Has Anyone Else Logged Before/After header Swap?
- Few Questions RE: 98 Impreza 2.5RS
- Opinions Needed - Soon to be mounted UEL's, need catpipe advice
- Exhaust question.
- Need help with timing belt
- Ok, whats the deal???
- What am i missing here.....
- ej18 problems
- OBS + SPT Exhaust = increased performance?
- Early SOHC intake manifold bolt to phase 2 SOHC heads?? Will ECU work with cam sensor
- Bought a '99 Outback...a few questions
- 2004 TS STI or WRX Swap
- source for EJ22
- Tune Up...
- someone confirm
- True Duals Question
- EJ22 has knock, worth fixing or replacing?
- what should i expect?
- 1999 OBS stock catpipe dia = 1.75" correct?
- OBX EL header on 06 07 2.5i
- WOT ignition timing
- Borla Replicas on BE Legacy..
- area1320 TBS
- wtf car overheating after header install...help plz
- exhaust wrap worth it?
- loss of power issue
- OBX Catback sound
- picture or 2008 2.5i header?
- More problems... idle/bucking under load...
- Anyone Every Melted/Clogged a Cat?
- Turbo Header on a NA EJ25D?
- wreck
- intake mani design
- Stromung High Flow Track Pipe - Some Basic Questions
- I dynoed the leggy
- High flow CAT
- Lowering Intake Temperature
- NA ej22 domed pistons
- 2.2 Head gasket?
- looking for the right muffler
- 1997 legacy question
- Piston decription....any ideas? HELP!!
- Outfront motorsports fuel rail?
- No Muffler
- Borla Replicas on 2008 n/a Legacy?
- Aftermarket exhaust -> stock
- new video of UEL on 2.5i
- cold air ruin engine seals
- Please help me!! 2.2 sohc to 2.5 dohc swap problems!
- injen intake on 2007 2.5i
- rough idle after installing Delta street cams
- P0506 anyone?
- Need help for gasket
- Question about installing an 05 2.5 into my 98 RS
- any where i can get a CAI for 08 2.5i??
- high flow cat for 07 2.5i
- Dyno tunning my 98RS
- If 1 head leaking oil, replace 1 gasket or both?
- 02 rs header?!@
- What do i shop for?
- Refrigerated intake?
- EJ25 Timing Belt Tensioner differences
- not running right
- EJ25 NA builder
- Exhaust Swap?
- Cold Engine chirping/squeak on throttle lift
- ej25 spark plugs to ej22?
- n/a sti?
- will EJ527 cams work in a EJ25D?
- High Intensity Plugs?
- fix midpipe or buy new one
- Compatible Parts
- Throttle opening %
- brake and battery light on, but no issues
- custom exhaust
- 2.25 or 2.5 inch exhaust
- Noise at startup
- AVO mufflers 2008 impreza 4-door sedan
- Got me a Cosmo Short Ram
- short ram air
- block question 2.5 RS
- EJ253 Vacuum issue
- Loud Tapping or Clicking Noise From Engine!
- Rough idle, herky-jerky take-off
- trying to testing for air pressure for best intake placement
- Prodrive Axleback - Any Comments?
- Heat Shield Rattle
- Picture Engine Bay of a 2004 2.5RS Black if possible
- Quick question about hood stays
- difference in mufflers
- Weird IAT readings after Ganzflow Install
- help, weird idling and shifter problems
- Fuel filter location for 2004 Legacy?
- 2000 ej251 header on a 2005 forester?
- BG5 Legacy Axleback on GC8 Impreza
- SPT exhaust on 2.5i
- Need some help with mom's 01 forester
- serious resistance
- 2005 RS exhaust/turbo with 2002 WRX parts?
- Notice Any Difference from a LWP?
- exhaust axleback and midpipe fitting
- Brown Clay Like Substane in Coolant:
- WRX Borla Headers Work On 2.5i??
- cobb intake
- So I just failed emissions today...
- Best Way To Gain Boxer Rumble For 2.5i??
- exhaust without the noise?
- timing ?
- exhaust question.
- Im getting a stock wrx exhaust manifold
- 1998 Subaru Legacy GT help wanted
- bad ignition coil in ej22
- Borla or replica 2.2L Single port headers
- cant find borla replicas
- SPT Catback 08 impreza wrx
- NA GC8 functional hood scoop: custom air intake
- TWE Cams
- Snorkel Mod
- My friend's impreza
- Latest dyno results: 145hp, 144ft-lb on Mustang dyno
- Precautionary maintenance after overheating?
- obx el header + stromung hfc
- Headers?
- Cooling the air no an N/A
- Stromung Track pipe woes...
- valve lash question
- Single port to dual port
- Over 90F, running premium...
- exhaust help
- Build questions
- Plugs and Wires
- 96 legacy that wont idle
- stock STi turboback to wrx
- Any bets on how long until my engine grenades?
- Megan racing cat back
- Engine panting?
- Wrx axleback
- Headgasket Replacement Issues
- Best exhaust for 2.5 RS engine?
- Phase II EJ2x heads
- Axing the Resonator
- How to install headers on 06/07 2.5I
- I call upon the great minds of nasioc... HELP
- A/F gauge questions/suggestions
- No spark issue
- '93 1.8L MAF code 23, possible ground issue?
- Catalytic converter q
- 96 impreza exhaust question
- Coolant Leak?
- Hybrid intake...
- 98 2.5RS oil consumption
- Engine oil flush in a 00RS, yay or nay???
- cobb intake problems
- Magnaflow Muffler
- Is TWE still in business ?
- 2.5 Dohc Head Removal?
- 2008 Impreza OBS
- replacing rod bearings, 2.2
- radiator dimensions
- Help With A Swap
- Hybrid intake install, something is wrong
- uel header, walker 2.5rs catpipe, WRX exhaust. anything else?
- Greddy EVO2 and APR diffuser compatability
- Radiator and cooling questions
- 07 2.5i delta cams
- I give up. How do you route the intake to the front vent?
- header gaskets
- Experiencing a jump in acceleration (2.5 TS)
- Spotted scammers Beware!!!
- cai question
- question
- What changes in a EJ25D/MT when engine braking?
- What's the throttle body diameter on the EJ22E?
- 05 2.5rs whine only while driving
- 2.5 Dohc Head Questions;
- hybrid intake idea
- several questions
- Sti Catback on 2.5 rs?
- inside a stromung
- Cobb intake or SPT (HKS) intake??
- Broken cam gear!!
- My poor "L"
- High Compression Pistons in my 05rs
- exhaust?
- What is the piping size of the Borla Headers?
- 2007/2008 2.5i READ ME
- Conversions from Sti to 2.5i and WRX to 2.5i (2007 2.5i)
- Why does my EJ22 make so little power?
- Motor is toast!!
- Crank/rod bearing replacement
- What kind of mileage can be expected from a 2.2/2.5 daily driver?
- are these for real?
- Cat Question
- 1993 Impreza L WILL NOT START HELP!!!!
- ej22/25
- pulstar plugs
- Porting my intake manifold, got questions.
- subaru top speed
- lets play "Guess the HP/TQ" game!
- just got some guages.
- STi or WRX catback on a GCB
- headers choice
- 2008 2.5i w/oem wrx cat-back
- Durability of Auto in 2.5 RS
- I broke my Rev Limited Today.
- Which year exhaust?
- Need Help: 2005-08 Outback Exhaust for 2.5L NA?
- Finally building my "new" engine - DOHC heads on Phase II block
- upgrades for 2002 2.5rs????
- Mixing synthetic with dino?
- Exhaust Silencers for Dual tip?
- P0115 - new sensor, still malfunctioning
- Electric Fan?
- Will WRX/STI rails fit RS manifold?
- 00-01 RS CAI fit on 02-03 RS???
- ej2.5 new replacement headgasket design ?s
- Best Intake for MAF
- Anyone Else Get Exhuast Drone - Wagon
- Ceramic coating heads by Delta Cams
- Delaying the inevitable : Head Gasket Leak