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  1. mods
  2. Are the basic CP pistons of lower quality compared to other makers???
  3. benefit of removing casting flash around valvetrain?
  4. equal length header with large turbo ?'s
  5. Are BOV worth it?
  6. Pics of Ultimate Racing GT35R kit with TXS FMIC
  7. Needs Advise for CEL code P2102
  8. TMIC intercoolers, who has one?
  9. GT30R wastgate boost problem
  10. Looking for a good knock sensor.
  11. 04 STi with 272 Cams
  12. oil leak help
  13. help cel p0325
  14. NE1 got 300+ ft-lbs > 2000 RPM on 91 octa
  15. Help Plz about cel fix
  16. Any Dyno results of a STOCK STI with ECUTEK CUSTOM TUNED?
  17. STI Injector Install
  18. can you mod sti pink injectors?
  19. invidia tb g200 or n1
  20. Opinion on Stage2 configuration
  21. Heatshield broke... now I am "heatshieldless", what should I do?
  22. whats the most can a stock STI boost?
  23. Anyone out there using TD06H-20G Turbo as an upgrade?
  24. Big MAF question
  25. APS DR725 w/perrin big maf
  26. EGT... what are they good for?
  27. Total newb: At 6K miles turbo making rythmic/oscillating whine at 2K-2.5K RPM?
  28. Heat shield with Cobb dp
  29. turbo upgrade 4 stock motot sti
  30. FMIC with JDM fogs...any new combos that work?
  31. TurboXS TBE finally arrived and installed...thoughts...
  32. Discussion: Connecting Rods
  33. down pipe
  34. intake manifold removal
  35. OWNED by VIVID RACING
  36. Borla Hush bent hangers
  37. DPR Ported Heads
  38. Fluctuating RPM at STEADY THROTTLE any RPM
  39. How many miles on your STI
  40. turbo upgrade
  41. Debating between TXS Stealhback and APS TBE?
  42. utec stage 2 what now?
  43. Diff. making noise when backing up?
  44. help, turbo install
  45. Electric current to heat aftermarket headers?
  46. Question for those with 816cc injectors...
  47. 05 sti have a built block?
  48. injen fmic w/ sz49? thoughts?
  49. Rear O2 CEL won't go away...
  50. 290 ish whp 300 whp
  51. How do I read the turbo boost gauge?
  52. What Cams to use w/ this setup?
  53. 2005 Legacy GT 2.5 Q's
  54. invidia + helix
  55. STI Plug & Play Injectors?
  56. "Performance Muffler (STi)" = Bosal Single Tip?
  57. Need answer quick! Vishnu Signature TBE 02 to 04 STi?
  58. Calling Engine Guru's....
  59. whats wrong with my sti injectors.....
  60. after market boost control for larger turbos, which one?
  61. helix catback
  62. Stalling issue
  63. Bumper beam bolts!
  64. broken baffle in stock exhaust
  65. "dee....dee.." noise
  66. Feedback Requested on Upgrade Choices
  67. Installed helix + hush, fitment issues
  68. ECU learning q
  69. question tmic
  70. FMIC install research
  71. O2 CEL fix for '05 question and link request.
  72. dp/up for my 05 sti
  73. LGT boost creep?
  74. Wierd Misfire Problem HELP!!!!
  75. STI shortblock swap: Do CP Pistons lower compression?
  76. Stage 2 to 20G, is it worth the $
  77. make more tq
  78. need exhaust manifold torque specs
  79. not hitting target boost w/ pe1820
  80. Cracked turbine housing
  81. turbo back exhaust question
  82. Strange noise
  83. first mods
  84. invidia n1 cat back
  85. full length catted DP
  86. Nice Cruiser
  87. SR Header Issues
  88. External Wastegate on stock turbo and computer?
  89. Bolt on turbo for 05 STi?
  90. TD06h-20G vs. Superzilla 49 what would be the main differences?
  91. Blew my motor
  92. Perrin or Samco Turbo Inlet Tubing???
  93. VF22 without supporting mods?
  94. '04 STi Stalling, sputtering, and hesitating feeling at WOT
  95. sz49/green owners: what ic are you using?
  96. Stromung shorty downpipe question
  97. 04sti vs 05
  98. Helix downpipe with stock sti exhaust
  99. Equal length header sound clip / reviews?
  100. EJ22T piston ring
  101. Which wastegate for me? (and other green related questions)
  102. Turbosmart 35mm ewg
  103. Crazy rotated kits and inspection/emissions
  104. Tial 38mm Installed Pic's
  105. Help with Cusco heatshield
  106. sti IC water sprayer unistall FAQ.
  107. Questions about Legacy GT
  108. sandwich adapter & oil cooler
  109. adpater for egt bung
  110. Question for you OG's
  111. quiet but gives power exhaust
  112. New ideas for TMIC sprayer
  113. vf39 turbo on 04' STI
  114. ATT: thoes with APS FMIC
  115. Failed Heatshields
  116. STI midpipe on a GC8
  117. APS DR725 pipes on DR500 core?
  118. Helix TMIC
  119. ATTENTION: Hydra STI Recall
  120. Oil cooler for the STi?
  121. Gt35r
  122. inlet pipe collapsing
  123. Down Time
  124. Blow-through MAF Sensor
  125. Potential 375WHP setup 05 STi
  126. Intake seal help!
  127. bog..bov venting prematurely? compressor surge? hmm
  128. Forester XT - Is 350hp easy?
  129. Leakdown Test Results
  130. Warning to any AP stage 2 owners that road race...
  131. Just bought TXS Stealthback. What gaskets are needed?
  132. '02 wrx to '04/'05 sti compatible aftermarket parts???
  133. Paging anyone with a Kingpin GT35R Turbo kit
  134. Bugeyed WRX wagon oil pan work on STi?
  135. Shorter exhaust hangers?? power getter hangs low
  136. invidia n1 + helix
  137. Perrin EBCS w/ EWG
  138. new axle-back smells like "burning"
  139. is stock o2 sensor on 05 sti wideband?
  140. Oil in Exhaust pipe, STI
  141. type s BOV install
  142. Perrin BigMaf fitment with Samco Turbo Inlet??
  143. Stock STi throttle/lagg issues
  144. ok final cam and sti question
  145. At what AFR does your STI idle? Big injectors same or diff?
  146. what do i need to build my motor for 500whp
  147. Modified Stock I/C sprayer
  148. helix catted DP + HKS carbon/ti = boost creep?
  149. what is best turbo for 400-450 WHP
  150. whose running aps tgv deletes
  151. Relocated coolant tank
  152. intake problems and questions
  153. Fuel system suggestions for 400whp STi
  154. diameter of radiator hose on STi
  155. Prodrive Legacy exhaust request.
  156. Detonation explained with pictures
  157. newb to exhaust manifold help!
  158. Is the 2.5L motor proned to detonate?
  159. intake woes....
  160. Where is the serial number on the STI 04 engine
  161. GT30R vs. GT35R
  162. noob q. 05sti blitz cbe
  163. My Polydyn coated CP pistons...
  164. Modified SR30
  165. 05 STI AP stage 2 18psi 1,700 deg
  166. Missfire with new spark plugs
  167. new 05 sti acting funny
  168. Engine boosting
  169. raise REV limiter
  170. Funny Smell, Oil? or gas or something else?
  171. cobb stage I running high psi
  172. HELP>> Need Sti Power Steering Pump ASAP!
  173. Fly By Wire Questions
  174. Picture of slowboy and fp green
  175. HKS/Prodrive exhaust on WRX vs SPT/bosal on STi sound
  176. pe850's just returned from rc engineering
  177. Turbo Heat Shields & Performance
  178. symptoms of bov leak
  179. boggin in low rpms
  180. About Porting
  181. Stromung or Greddy ?
  182. STI Intake Scoop & Silencer
  183. intake craze / stupidity
  184. thermal exhaust better than others
  185. DPR Releases STi AVCS Cams
  186. I have a strange problem... I think
  187. ECU error code 230
  188. Anyone use Mahle Powerpack Pistons??
  189. remove speed governor?
  190. GPMoto GT32 kits
  191. P0139 cel code
  192. k/n install
  193. o2 readings
  194. Hi flow cat converter - how much HP lost?
  195. Stumbling Issues
  196. ARC induction box?
  197. Anyone with WORXtuning DP?
  198. this is the engine package im getting, suggestions?
  199. VF39 and PE1820
  200. aftermarket header (borla) and plastic undertrey
  201. aftermarket front 02 sensor
  202. Invidia N1
  203. Defi BF install: Pay or DIY?
  204. what clutches are people using for 450-500whp?
  205. Heat shield neccesary?
  206. Help! Part number needed
  207. installed perrin modified injectors
  208. Best BOV for Big Hp setups
  209. Road race turbo??
  210. front 02 sensor woes....
  211. STi vs. EVO internal Potential
  212. Comperable turbo to vf39
  213. defi d gauges...
  214. poor 1/4 mile times
  215. STi vs. EVO potential...
  216. Where to buy an upipe to suit a rotated GT35R.
  217. Who is running a CAI with AP stg 2?
  218. cel p1598?
  219. why did my coil packs melt down?
  220. My power Setup? Smart or not?
  221. question about mt compression test results
  222. Couple of questions about oil cooling system
  223. Cams and cam sprocket for STI?
  224. ECU Reset
  225. What's average life expectancy of a TD04?
  226. Should I buy WRX or STI?!?
  227. 20% ethanol, should I be concerned?
  228. gruppes gt30r external wastegate
  229. pros and cons of longer rods?
  230. TCS Signal Circut High Output
  231. New turbo kits on the horizon...
  232. Perrin Modified STI Injectors - 6.6% apart
  233. Wastegate or weak inlet tube?
  234. whats the same as my 2.5 XT outback
  235. PLEASE HELP!!!: 04 USDM STI Engine Question
  236. deadbolt TD06H 20G
  237. which turbo for Sti
  238. Help. compression #'s and misfire codes.
  239. NX N-tercooler Kit
  240. Anybody ever seen a 2.5l engine with AVCS on the exhaust side too?
  241. What do GT30R's sounds like when spinning them off the car?
  242. Pulling Clutch, what else should I do?
  243. what is the lowest and highest we've seen on here...with bone stock sti's...
  244. Engine dimensions
  245. Rotated mount kits, MAF placement, and driveability
  246. Has anyone tried the FP 20G?
  247. Stover nuts
  248. ARGGGGGG .. Grinding 4th and 5th gear!!
  249. K&N Typhoon and factory air ram part of intake
  250. GT Spec Uppipe fit Stock Headers?