Engine Modifications
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Threads 1 to 35 of 75

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: 853,570
    08-15-2014, 10:34 AM Go to last post
  2. 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: 341,830
    06-27-2014, 01:38 PM Go to last post
  3. 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: 111,836
    07-20-2014, 06:02 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: 86,707
    09-29-2004, 09:25 PM Go to last post
  5. 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: 43,271
    06-14-2014, 08:37 AM Go to last post
  6. 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: 41,727
    zax
    08-11-2014, 08:30 AM Go to last post
  7. 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: 34,942
    08-07-2014, 12:02 PM Go to last post
  8. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 08:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 28,789
    01-22-2014, 06:56 PM Go to last post
  9. 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: 24,296
    01-02-2011, 02:58 PM Go to last post
  10. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 19,550
    09-27-2009, 06:51 AM Go to last post
  11. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 12,771
    08-12-2007, 04:41 PM Go to last post
  12. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 5
    • Views: 11,029
    02-15-2013, 08:25 AM Go to last post
  13. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 4,992
    zax
    07-19-2013, 08:13 AM Go to last post
  14. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 4,695
    04-09-2013, 09:07 PM Go to last post
  15. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 3,146
    zax
    11-20-2012, 01:57 PM Go to last post
  16. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 01:51 PM
    •  
    •  
  1. 2008 WRX - how much power can it handle/produce?

    Started by xtremez2k, 06-07-2010 12:23 AM
    4 Pages
    1 2 3 4
    • Replies: 55
    • Views: 13,042
    07-19-2014, 03:29 AM Go to last post
  2. 2002 WRX Boost Spike? Help

    Started by momo02WRX, 11-03-2006 07:27 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 2,773
    zax
    08-16-2014, 08:19 AM Go to last post
  3. Prices for rebuilt motor

    Started by 13WrXx, 02-07-2014 12:46 PM
    4 Pages
    1 2 3 4
    • Replies: 53
    • Views: 1,934
    08-09-2014, 08:05 PM Go to last post
  4. Upgrade suggestions

    Started by madraven, 07-15-2014 05:47 PM
    4 Pages
    1 2 3 4
    • Replies: 52
    • Views: 1,363
    08-14-2014, 04:34 AM Go to last post
  5. 2015 Wrx intake

    Started by marlboro, 07-23-2014 12:03 PM
    • Replies: 11
    • Views: 974
    08-05-2014, 06:04 PM Go to last post
  6. Help with installing SPT catback

    Started by Soobvirgin, 12-08-2013 02:48 PM
    • Replies: 14
    • Views: 909
    08-14-2014, 04:55 PM Go to last post
  7. Intercooler questions

    Started by TylerPedro, 07-10-2014 10:33 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 835
    07-15-2014, 05:13 PM Go to last post
  8. COBB Catless DP 2.5" Taper

    Started by Blammo, 06-11-2014 11:38 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 816
    07-09-2014, 08:28 PM Go to last post
  9. Mods with efficiency in mind

    Started by snow_bound26, 07-17-2014 11:12 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 802
    07-24-2014, 03:04 AM Go to last post
  10. Question Little or no boost :/

    Started by mikeicke93, 08-07-2014 10:09 PM
    3 Pages
    1 2 3
    • Replies: 44
    • Views: 791
    08-15-2014, 06:26 AM Go to last post
  11. 400 hp help!

    Started by 04wrxhatch, 07-18-2014 08:02 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 787
    07-21-2014, 10:31 AM Go to last post
  12. Bellmouth vs. Divorced Wastegate catless

    Started by Wrx>>, 06-02-2014 08:38 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 782
    07-11-2014, 11:48 AM Go to last post
    • Replies: 24
    • Views: 755
    07-30-2014, 06:39 PM Go to last post
    • Replies: 8
    • Views: 724
    zax
    08-16-2014, 08:16 AM Go to last post
  13. stage 2 help please!

    Started by sanchez213, 07-10-2014 10:32 PM
    • Replies: 13
    • Views: 700
    07-12-2014, 01:29 PM Go to last post
  14. Stage 3

    Started by TownLine500, 07-05-2014 05:13 PM
    • Replies: 13
    • Views: 610
    07-09-2014, 09:57 AM Go to last post
  15. 2015 WRX Turboback

    Started by GrimChaos, 07-25-2014 04:45 PM
    • Replies: 4
    • Views: 569
    07-27-2014, 09:46 AM Go to last post
  16. 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: 531
    08-10-2014, 11:13 AM Go to last post
  17. 2015 exhaust recommendations?

    Started by huitt06, 06-23-2014 05:20 PM
    • Replies: 5
    • Views: 512
    07-09-2014, 08:04 PM Go to last post
  18. Exhaust

    Started by Ed Edd n Eddy, 06-30-2014 08:14 AM
    • Replies: 14
    • Views: 420
    07-09-2014, 08:18 PM Go to last post
  19. 1st mods that won't void warranty?

    Started by Jppwvu, 07-26-2014 03:43 PM
    • Replies: 4
    • Views: 419
    08-01-2014, 04:39 PM Go to last post
  20. Process West TMIC install issues...

    Started by Subie For Me, 08-07-2014 01:18 AM
    • Replies: 13
    • Views: 413
    08-14-2014, 01:43 AM Go to last post
  21. Going stage 2

    Started by williedibo, 07-26-2014 06:14 PM
    • Replies: 3
    • Views: 411
    07-27-2014, 01:17 PM Go to last post
  22. Cold Air Intake

    Started by Ed Edd n Eddy, 06-29-2014 12:41 PM
    • Replies: 5
    • Views: 398
    07-10-2014, 01:40 AM Go to last post
    • Replies: 8
    • Views: 380
    08-02-2014, 09:43 PM Go to last post
  23. Kinugawa TD05 18G! good or bad?

    Started by jfsbaker, 06-23-2014 01:50 PM
    • Replies: 6
    • Views: 365
    07-09-2014, 02:03 PM Go to last post
  24. Cobb down pipe

    Started by Run amok, 08-14-2014 04:31 PM
    • Replies: 8
    • Views: 360
    08-17-2014, 02:06 PM Go to last post
  25. Heat shielding

    Started by TownLine500, 07-16-2014 04:57 PM
    • Replies: 10
    • Views: 356
    07-21-2014, 01:04 PM Go to last post
  26. Q300 all you need?

    Started by Dutch13SE, 07-11-2014 06:31 PM
    • Replies: 3
    • Views: 344
    07-12-2014, 08:48 AM Go to last post
  27. another 2015 exhaust question

    Started by BigPoppaSteve, 07-06-2014 03:25 PM
    • Replies: 2
    • Views: 335
    07-09-2014, 12:04 PM Go to last post
  28. What are the limits of the Accessport?

    Started by gtramontelli, 07-13-2014 08:05 AM
    • Replies: 4
    • Views: 327
    07-13-2014, 12:53 PM Go to last post
  29. Need Cat Exhaust to Pass Emissions

    Started by musclemuffins, 07-23-2014 02:06 PM
    • Replies: 9
    • Views: 317
    07-26-2014, 10:23 AM Go to last post
    • Replies: 6
    • Views: 313
    07-15-2014, 09:57 AM Go to last post
    • Replies: 10
    • Views: 309
    08-13-2014, 10:56 AM Go to last post
  30. Oem intercooler question

    Started by vaugghann, 07-27-2014 11:50 AM
    • Replies: 5
    • Views: 309
    zax
    08-01-2014, 10:35 AM Go to last post

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