Engine Modifications
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Threads 1 to 35 of 70

Below you will find a list of discussions in the Engine Modifications forums at the ClubWRX Forum - Subaru Impreza WRX and STi Community and Forums. The Engine Modifications forum Flat-fours and turbochargers are what set the WRX apart from the rest. Talk about them and the latest aftermarket parts here.

Sub-Forums Threads / Posts  Last Post

  1. Engine Performance Discussion Specific to Higher Altitudes

    Forum Actions:

    Forum Statistics:

    • Threads: 48
    • Posts: 679

    Last Post:

    O2 sensor drama Go to last post

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    05-29-2014, 03:29 PM

  1. Sticky Thread Sticky: "The BIG BOV thread" (Where all bov question threads get merged)

    Started by p7r4e7y, 05-21-2001 07:34 AM
    788 Pages
    1 2 3 4 5 ... 788
    • Replies: 11,814
    • Views: 857,368
    08-15-2014, 10:34 AM Go to last post
  2. Sticky Thread Sticky: $5 and 5 minutes to a better running car :)

    Started by Big Sky WRX, 05-06-2006 03:02 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 122
    • Views: 42,222
    zax
    08-11-2014, 08:30 AM Go to last post
  3. Sticky Thread Sticky: WARNING FOR BUYING CATTED DOWNPIPES!!!

    Started by Sinister, 10-27-2010 11:54 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 87
    • Views: 35,467
    08-07-2014, 12:02 PM Go to last post
  4. Sticky Thread Sticky: First Modifications - what to do and not to do

    Started by mycologist, 01-25-2010 08:05 PM
    14 Pages
    1 2 3 4 5 ... 14
    • Replies: 197
    • Views: 113,089
    07-20-2014, 06:02 AM Go to last post
  5. Sticky Thread Sticky: Exhaust Video/Sound Clips

    Started by TurnWRX, 03-29-2004 10:37 PM
    38 Pages
    1 2 3 4 5 ... 38
    • Replies: 555
    • Views: 342,486
    06-27-2014, 01:38 PM Go to last post
  6. Sticky Thread Sticky: Exhaust FAQ

    Started by EJ257, 03-30-2010 03:30 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 116
    • Views: 43,843
    06-14-2014, 08:37 AM Go to last post
  7. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 08:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 29,165
    01-22-2014, 06:56 PM Go to last post
  8. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 5,145
    zax
    07-19-2013, 08:13 AM Go to last post
  9. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 4,803
    04-09-2013, 09:07 PM Go to last post
  10. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 5
    • Views: 11,159
    02-15-2013, 08:25 AM Go to last post
  11. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 3,214
    zax
    11-20-2012, 01:57 PM Go to last post
  12. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 01:51 PM
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  13. Sticky Thread Sticky: SPT has released the new CBE's for 08 WRX 5dr & 4dr.

    Started by Weasel 555, 04-02-2008 05:35 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 85
    • Views: 24,459
    01-02-2011, 02:58 PM Go to last post
  14. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 19,710
    09-27-2009, 06:51 AM Go to last post
  15. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 12,840
    08-12-2007, 04:41 PM Go to last post
  16. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 06:59 PM
    • Replies: 1
    • Views: 86,879
    09-29-2004, 09:25 PM Go to last post
  1. Turboxs axleback exhaust

    Started by vaugghann, Yesterday 06:41 PM
    • Replies: 8
    • Views: 93
    Today, 12:22 PM Go to last post
  2. E85 help

    Started by Connor559, 06-29-2014 01:06 PM
    • Replies: 9
    • Views: 199
    Today, 10:26 AM Go to last post
  3. 03 wrx check engine light

    Started by vaugghann, Today 09:53 AM
    • Replies: 2
    • Views: 41
    Today, 10:11 AM Go to last post
  4. Upgrade suggestions

    Started by madraven, 07-15-2014 05:47 PM
    4 Pages
    1 2 3 4
    • Replies: 54
    • Views: 1,516
    Today, 08:37 AM Go to last post
  5. 2011+ STI turbo / '04 WRX

    Started by Mikes04WRX, Yesterday 07:36 PM
    • Replies: 8
    • Views: 118
    Today, 08:35 AM Go to last post
  6. Turbo size

    Started by J_admas00, 08-31-2014 02:50 PM
    • Replies: 1
    • Views: 137
    08-31-2014, 06:04 PM Go to last post
  7. 15' axle back fit on 11-14s?

    Started by huitt06, 08-31-2014 01:38 PM
    • Replies: 0
    • Views: 76
    08-31-2014, 01:38 PM Go to last post
  8. CAI help!!!!

    Started by plasmablue14, 08-27-2014 01:56 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 325
    08-30-2014, 07:51 AM Go to last post
  9. Invidia Q300 SS or Titanium??

    Started by dvarhol, 08-28-2014 01:42 PM
    • Replies: 0
    • Views: 117
    08-28-2014, 01:42 PM Go to last post
  10. Invida V2 DP

    Started by Millionfuzz, 08-26-2014 10:04 PM
    • Replies: 3
    • Views: 153
    08-27-2014, 09:11 PM Go to last post
  11. Upgrading Turbo - What do?

    Started by MisterNBG, 08-23-2014 03:16 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 515
    08-27-2014, 07:34 PM Go to last post
  12. Post UP PIPE CEL FIX help!

    Started by Susanoo, 08-26-2014 04:08 PM
    • Replies: 1
    • Views: 107
    08-26-2014, 05:42 PM Go to last post
  13. Stage2

    Started by TownLine500, 08-24-2014 01:20 PM
    • Replies: 7
    • Views: 324
    08-25-2014, 02:02 PM Go to last post
  14. questions on the accessport

    Started by williedibo, 08-24-2014 11:53 PM
    • Replies: 1
    • Views: 186
    08-25-2014, 04:27 AM Go to last post
  15. filled up with 88 gas

    Started by randomusername, 08-22-2014 06:42 PM
    • Replies: 7
    • Views: 250
    08-24-2014, 09:49 AM Go to last post
  16. Moved: Oil change help

    Started by Andy_WRX, 08-23-2014 11:19 AM
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  17. need help identifying mods

    Started by randomusername, 08-22-2014 06:46 PM
    • Replies: 8
    • Views: 210
    08-23-2014, 10:28 PM Go to last post
  18. Stick exhaust question

    Started by subadu, 08-23-2014 05:51 PM
    • Replies: 10
    • Views: 247
    08-23-2014, 08:02 PM Go to last post
  19. Invidia Downpipe Question

    Started by bxpxw, 08-23-2014 11:37 AM
    • Replies: 12
    • Views: 217
    08-23-2014, 07:40 PM Go to last post
  20. turbo upgrade

    Started by williedibo, 08-23-2014 05:18 PM
    • Replies: 2
    • Views: 151
    08-23-2014, 05:54 PM Go to last post
  21. Turboback exhaust question

    Started by Millionfuzz, 08-16-2014 11:12 AM
    • Replies: 5
    • Views: 269
    08-23-2014, 03:18 PM Go to last post
  22. Q300 WRX Questions

    Started by jjustinfer, 08-22-2014 07:24 PM
    • Replies: 3
    • Views: 179
    08-22-2014, 08:01 PM Go to last post
  23. COBB V3 and K&N Typhoon Intake

    Started by chris410, 08-21-2014 08:16 AM
    • Replies: 6
    • Views: 233
    08-22-2014, 06:32 PM Go to last post
    • Replies: 0
    • Views: 120
    08-22-2014, 11:19 AM Go to last post
  24. Turbo replacement?

    Started by Millionfuzz, 08-19-2014 08:01 PM
    • Replies: 3
    • Views: 236
    08-20-2014, 11:25 PM Go to last post
    • Replies: 5
    • Views: 299
    08-19-2014, 07:05 PM Go to last post
  25. Post 02-05 wrx up pipe

    Started by Susanoo, 08-19-2014 06:16 PM
    • Replies: 1
    • Views: 194
    08-19-2014, 06:46 PM Go to last post
  26. upgrading stock 05 wrx, need advice

    Started by Gen Jack Oneil, 08-17-2014 09:38 AM
    • Replies: 3
    • Views: 282
    08-18-2014, 06:02 PM Go to last post
  27. 2013 WRX Cold Air Intake

    Started by Whitt11, 08-17-2014 05:18 PM
    • Replies: 9
    • Views: 309
    08-17-2014, 07:33 PM Go to last post
  28. Cobb down pipe

    Started by Run amok, 08-14-2014 04:31 PM
    • Replies: 8
    • Views: 441
    08-17-2014, 02:06 PM Go to last post
  29. 2002 WRX Boost Spike? Help

    Started by momo02WRX, 11-03-2006 07:27 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 2,832
    zax
    08-16-2014, 08:19 AM Go to last post
    • Replies: 8
    • Views: 777
    zax
    08-16-2014, 08:16 AM Go to last post
  30. Up pipe installed

    Started by TURBOTOM2010, 08-13-2014 10:29 PM
    • Replies: 4
    • Views: 244
    08-15-2014, 03:45 PM Go to last post
  31. Question Little or no boost :/

    Started by mikeicke93, 08-07-2014 10:09 PM
    3 Pages
    1 2 3
    • Replies: 44
    • Views: 878
    08-15-2014, 06:26 AM Go to last post
  32. Help with installing SPT catback

    Started by Soobvirgin, 12-08-2013 02:48 PM
    • Replies: 14
    • Views: 978
    08-14-2014, 04:55 PM Go to last post

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