Engine Modifications
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Threads 1 to 35 of 76

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.

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  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: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 12,756
    08-12-2007, 04:41 PM Go to last post
  2. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 5
    • Views: 10,995
    02-15-2013, 08:25 AM Go to last post
  3. 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: 41,575
    zax
    08-11-2014, 08:30 AM Go to last post
  4. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 06:59 PM
    • Replies: 1
    • Views: 86,673
    09-29-2004, 09:25 PM Go to last post
  5. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 4,658
    04-09-2013, 09:07 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: 43,119
    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: 28,698
    01-22-2014, 06:56 PM Go to last post
  8. 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: 111,582
    07-20-2014, 06:02 AM Go to last post
  9. 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: 852,294
    08-15-2014, 10:34 AM Go to last post
  10. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 4,941
    zax
    07-19-2013, 08:13 AM Go to last post
  11. 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: 34,769
    08-07-2014, 12:02 PM Go to last post
  12. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 19,524
    09-27-2009, 06:51 AM Go to last post
  13. 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: 341,537
    06-27-2014, 01:38 PM Go to last post
  14. 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: 24,227
    01-02-2011, 02:58 PM Go to last post
  15. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 01:51 PM
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  16. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 3,134
    zax
    11-20-2012, 01:57 PM Go to last post
  1. Intake Silencer Delete?

    Started by 02bugeye5127, 08-06-2014 10:35 AM
    • Replies: 6
    • Views: 247
    08-06-2014, 03:40 PM Go to last post
  2. Loud whoosing sound, and car stalls... HELP!!

    Started by 02_Subie, 07-23-2014 03:11 PM
    • Replies: 7
    • Views: 256
    07-23-2014, 05:35 PM Go to last post
  3. 400 hp help!

    Started by 04wrxhatch, 07-18-2014 08:02 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 779
    07-21-2014, 10:31 AM Go to last post
  4. Stage 2 full power 05 wrx

    Started by 05'Franco, 07-11-2014 12:05 PM
    • Replies: 6
    • Views: 282
    07-11-2014, 04:24 PM Go to last post
  5. 05 sti>02wrx

    Started by 05'Franco, 07-26-2014 11:16 AM
    • Replies: 2
    • Views: 213
    07-26-2014, 05:41 PM Go to last post
  6. Prices for rebuilt motor

    Started by 13WrXx, 02-07-2014 12:46 PM
    4 Pages
    1 2 3 4
    • Replies: 53
    • Views: 1,846
    08-09-2014, 08:05 PM Go to last post
  7. Invidia n1 dual and single exhaust

    Started by 420Blazzin', 07-09-2014 01:47 PM
    • Replies: 9
    • Views: 303
    07-11-2014, 02:26 PM Go to last post
  8. cold intake question

    Started by afg_mohammed, 08-03-2014 11:47 AM
    • Replies: 3
    • Views: 237
    08-03-2014, 04:49 PM Go to last post
  9. intake manifold fitting with process west tmic

    Started by attarwrx11, 07-23-2014 02:18 PM
    • Replies: 3
    • Views: 141
    07-23-2014, 02:36 PM Go to last post
  10. another 2015 exhaust question

    Started by BigPoppaSteve, 07-06-2014 03:25 PM
    • Replies: 2
    • Views: 322
    07-09-2014, 12:04 PM Go to last post
  11. COBB Catless DP 2.5" Taper

    Started by Blammo, 06-11-2014 11:38 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 811
    07-09-2014, 08:28 PM Go to last post
  12. I believe I have a bent valve

    Started by Blemi7, 07-09-2014 11:01 PM
    • Replies: 1
    • Views: 259
    07-10-2014, 03:58 AM Go to last post
  13. 2010 intercooler swap

    Started by boosted2010, 08-05-2014 11:38 AM
    • Replies: 1
    • Views: 168
    zax
    08-05-2014, 11:39 AM Go to last post
  14. Throttle body hose install?

    Started by Brozario, 07-15-2014 11:50 AM
    • Replies: 8
    • Views: 256
    07-17-2014, 03:24 PM Go to last post
    • Replies: 8
    • Views: 694
    zax
    08-16-2014, 08:16 AM Go to last post
  15. In what order did you purchase stage1-2 mods?

    Started by Cyoplasm, 08-01-2014 02:30 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 482
    08-10-2014, 11:13 AM Go to last post
  16. Q300 all you need?

    Started by Dutch13SE, 07-11-2014 06:31 PM
    • Replies: 3
    • Views: 343
    07-12-2014, 08:48 AM Go to last post
  17. Ebay Exhaust

    Started by Ed Edd n Eddy, 07-09-2014 08:13 PM
    • Replies: 0
    • Views: 208
    07-09-2014, 08:13 PM Go to last post
  18. Exhaust

    Started by Ed Edd n Eddy, 06-30-2014 08:14 AM
    • Replies: 14
    • Views: 418
    07-09-2014, 08:18 PM Go to last post
  19. Cold Air Intake

    Started by Ed Edd n Eddy, 06-29-2014 12:41 PM
    • Replies: 5
    • Views: 395
    07-10-2014, 01:40 AM Go to last post
  20. VF39 VS 16GXT

    Started by frenziedcage, 07-24-2014 08:35 PM
    • Replies: 2
    • Views: 229
    07-25-2014, 06:48 AM Go to last post
  21. upgrading stock 05 wrx, need advice

    Started by Gen Jack Oneil, 08-17-2014 09:38 AM
    • Replies: 3
    • Views: 174
    08-18-2014, 06:02 PM Go to last post
  22. 2015 WRX Turboback

    Started by GrimChaos, 07-25-2014 04:45 PM
    • Replies: 4
    • Views: 562
    07-27-2014, 09:46 AM Go to last post
  23. What are the limits of the Accessport?

    Started by gtramontelli, 07-13-2014 08:05 AM
    • Replies: 4
    • Views: 324
    07-13-2014, 12:53 PM Go to last post
  24. 2015 exhaust recommendations?

    Started by huitt06, 06-23-2014 05:20 PM
    • Replies: 5
    • Views: 506
    07-09-2014, 08:04 PM Go to last post
    • Replies: 10
    • Views: 293
    08-13-2014, 10:56 AM Go to last post
  25. Kinugawa TD05 18G! good or bad?

    Started by jfsbaker, 06-23-2014 01:50 PM
    • Replies: 6
    • Views: 363
    07-09-2014, 02:03 PM Go to last post
  26. Addition pre tune suggestions?

    Started by jilty, 08-07-2014 10:38 PM
    • Replies: 7
    • Views: 266
    08-08-2014, 12:44 PM Go to last post
    • Replies: 5
    • Views: 169
    Yesterday, 07:05 PM Go to last post
  27. 1st mods that won't void warranty?

    Started by Jppwvu, 07-26-2014 03:43 PM
    • Replies: 4
    • Views: 397
    08-01-2014, 04:39 PM Go to last post
  28. new clutch and fly wheel questions

    Started by Kiezzy wrx, 07-30-2014 06:46 PM
    • Replies: 2
    • Views: 180
    07-30-2014, 07:25 PM Go to last post
  29. Questions on parts I wanna get

    Started by Kiezzy wrx, 07-18-2014 06:27 PM
    • Replies: 2
    • Views: 209
    07-18-2014, 07:43 PM Go to last post
  30. Upgrade suggestions

    Started by madraven, 07-15-2014 05:47 PM
    4 Pages
    1 2 3 4
    • Replies: 52
    • Views: 1,325
    08-14-2014, 04:34 AM Go to last post
  31. 2015 Wrx intake

    Started by marlboro, 07-23-2014 12:03 PM
    • Replies: 11
    • Views: 924
    08-05-2014, 06:04 PM Go to last post
  32. Stupid lean condition.

    Started by matt06wrx, 07-08-2014 09:21 AM
    • Replies: 6
    • Views: 283
    07-09-2014, 11:33 AM Go to last post

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