Engine Modifications
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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: 681

    Last Post:

    TECH: High altitude and octane Go to last post

    by

    11-06-2014, 06:28 PM

  1. Sticky Thread Sticky: $5 and 5 minutes to a better running car :)

    Started by Big Sky WRX, 05-06-2006 04:02 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 124
    • Views: 50,333
    02-12-2015, 04:16 AM Go to last post
  2. Sticky Thread Sticky: "The BIG BOV thread" (Where all bov question threads get merged)

    Started by p7r4e7y, 05-21-2001 08:34 AM
    792 Pages
    1 2 3 4 5 ... 792
    • Replies: 11,874
    • Views: 924,674
    02-27-2015, 01:02 PM Go to last post
  3. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 02:51 PM
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  4. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 11:55 PM
    • Replies: 2
    • Views: 7,854
    zax
    07-19-2013, 09:13 AM Go to last post
  5. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 07:59 PM
    • Replies: 1
    • Views: 89,652
    09-29-2004, 10:25 PM Go to last post
  6. Sticky Thread Sticky: Exhaust FAQ

    Started by EJ257, 03-30-2010 04:30 PM
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 135
    • Views: 53,107
    01-15-2015, 10:17 AM Go to last post
  7. Sticky Thread Sticky: Exhaust Video/Sound Clips

    Started by TurnWRX, 03-29-2004 11:37 PM
    38 Pages
    1 2 3 4 5 ... 38
    • Replies: 555
    • Views: 352,660
    06-27-2014, 02:38 PM Go to last post
  8. Sticky Thread Sticky: First Modifications - what to do and not to do

    Started by mycologist, 01-25-2010 09:05 PM
    14 Pages
    1 2 3 4 5 ... 14
    • Replies: 197
    • Views: 134,806
    07-20-2014, 07:02 AM Go to last post
  9. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 12:16 PM
    • Replies: 7
    • Views: 13,508
    01-10-2015, 10:47 AM Go to last post
  10. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 07:51 AM
    • Replies: 0
    • Views: 21,570
    09-27-2009, 07:51 AM Go to last post
  11. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 10:07 PM
    • Replies: 0
    • Views: 6,528
    04-09-2013, 10:07 PM Go to last post
  12. Sticky Thread Sticky: SPT has released the new CBE's for 08 WRX 5dr & 4dr.

    Started by Weasel 555, 04-02-2008 06:35 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 85
    • Views: 26,953
    01-02-2011, 03:58 PM Go to last post
  13. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 08:43 AM
    • Replies: 8
    • Views: 13,724
    08-12-2007, 05:41 PM Go to last post
  14. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 02:57 PM
    • Replies: 0
    • Views: 4,364
    zax
    11-20-2012, 02:57 PM Go to last post
  15. Sticky Thread Sticky: WARNING FOR BUYING CATTED DOWNPIPES!!!

    Started by Sinister, 10-27-2010 12:54 PM
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 93
    • Views: 43,704
    12-09-2014, 04:43 PM Go to last post
  16. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 09:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 34,292
    01-22-2014, 07:56 PM Go to last post
  1. 02 wrx hesitation problem when accelerating

    Started by substi555, 02-24-2015 11:42 PM
    • Replies: 2
    • Views: 139
    02-24-2015, 11:56 PM Go to last post
    • Replies: 0
    • Views: 117
    02-26-2015, 08:39 AM Go to last post
  2. 05 wrx noise after installing up and down pipe , no tune yet

    Started by volodyalysak, 02-03-2015 01:26 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 469
    02-07-2015, 09:46 AM Go to last post
  3. 2002 wrx misfire ANY HELP?

    Started by substi555, 02-20-2015 07:36 PM
    • Replies: 0
    • Views: 141
    02-20-2015, 07:36 PM Go to last post
  4. 2008 hatch performance upgrades

    Started by MrOrange, 02-04-2015 04:56 PM
    • Replies: 2
    • Views: 211
    02-04-2015, 05:49 PM Go to last post
  5. 2015 wrx AFTERMARKET parts

    Started by johndock23, 04-29-2014 03:29 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 6,919
    02-08-2015, 06:05 PM Go to last post
  6. 2015 WRX CVT fuel map

    Started by mhayes, 02-03-2015 01:30 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 785
    02-26-2015, 01:30 AM Go to last post
  7. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 01:50 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 8,599
    01-17-2015, 11:07 AM Go to last post
  8. 2015 WRX OEM Exhaust Question

    Started by tommy7189, 02-03-2015 02:42 PM
    • Replies: 2
    • Views: 291
    02-03-2015, 03:53 PM Go to last post
  9. ? About my mixed messages regarding my build.

    Started by Rhawley, 01-25-2015 01:53 AM
    • Replies: 14
    • Views: 337
    01-26-2015, 06:50 AM Go to last post
  10. After turbo swap question

    Started by frenziedcage, 01-09-2015 10:18 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 571
    01-15-2015, 03:20 PM Go to last post
  11. Aftermarket Cobb Intake

    Started by obiling, 02-02-2015 10:15 AM
    • Replies: 7
    • Views: 408
    02-03-2015, 10:27 AM Go to last post
  12. Air intake elbow

    Started by Wrx2002nashville, 01-25-2015 01:15 AM
    • Replies: 4
    • Views: 210
    01-25-2015, 04:48 PM Go to last post
  13. air intake intercharge?

    Started by On1xv6, 02-13-2015 07:38 PM
    • Replies: 3
    • Views: 182
    02-14-2015, 08:41 AM Go to last post
  14. Any quiet aftermarket downpipes?

    Started by AJ_2002, Yesterday 01:45 PM
    • Replies: 10
    • Views: 173
    Today, 07:05 AM Go to last post
  15. blown turbo

    Started by will_cyr, 01-29-2015 08:57 PM
    • Replies: 4
    • Views: 282
    01-29-2015, 09:56 PM Go to last post
  16. Bugeye WRX w/ previous mods

    Started by AuzzyP, 01-20-2015 07:48 AM
    • Replies: 4
    • Views: 279
    01-20-2015, 11:10 AM Go to last post
  17. Building Uppipe

    Started by TooMuchSauce, 01-25-2015 09:12 PM
    • Replies: 1
    • Views: 194
    zax
    01-25-2015, 10:04 PM Go to last post
  18. Buying an 02 Wrx

    Started by Subie Ru Jr., 02-17-2015 02:33 PM
    • Replies: 2
    • Views: 204
    02-18-2015, 07:31 PM Go to last post
  19. Moved: CAPV3 - Quick Question

    Started by Germz to Japz, 02-07-2015 08:45 PM
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  20. Car hesitating to go

    Started by Daltonp45, 01-29-2015 07:32 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 469
    01-31-2015, 01:01 AM Go to last post
  21. Catback Exhaust Tune

    Started by inkogutmode, 02-18-2015 08:46 PM
    • Replies: 5
    • Views: 294
    02-20-2015, 06:03 AM Go to last post
  22. Catted or catless down pipe?

    Started by 19transam81, 01-28-2015 08:58 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 703
    02-03-2015, 04:41 PM Go to last post
  23. colorado wrx owners!

    Started by mk3soupsoup, 01-30-2015 09:22 PM
    • Replies: 1
    • Views: 232
    01-31-2015, 09:06 AM Go to last post
  24. Custom Fab Recirculating Downpipe Question

    Started by thump88, 01-08-2015 07:10 PM
    • Replies: 13
    • Views: 413
    01-15-2015, 10:48 AM Go to last post
  25. Cut only the muffler off

    Started by moparboy, 01-22-2015 09:36 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 592
    01-24-2015, 03:42 PM Go to last post
  26. CVT + Aftermarket modifications.

    Started by epxwrx, 02-11-2015 12:04 PM
    • Replies: 8
    • Views: 384
    02-13-2015, 03:08 PM Go to last post
  27. Down Pipe ? divorced wastegate -vs- Reg

    Started by bthomas6674, 05-17-2005 11:10 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,912
    01-18-2015, 02:57 PM Go to last post
  28. downpipe

    Started by wilburfierce, 02-14-2015 10:56 AM
    • Replies: 3
    • Views: 276
    02-14-2015, 02:46 PM Go to last post
  29. e85 question!

    Started by 11wrxCO, 02-13-2015 04:30 PM
    • Replies: 13
    • Views: 312
    02-14-2015, 03:20 PM Go to last post
  30. Engine mod ideas

    Started by eleazarhood, 01-27-2015 10:02 PM
    • Replies: 7
    • Views: 394
    01-30-2015, 07:13 PM Go to last post
  31. ETS 2015 Subaru WRX Air Intake Kit

    Started by wgokc, 01-30-2015 06:18 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 922
    Today, 04:46 AM Go to last post
  32. Exhaust fitment?

    Started by Champ10n, 01-10-2015 04:14 PM
    • Replies: 4
    • Views: 268
    01-22-2015, 11:44 AM Go to last post
  33. Exhaust help

    Started by zavi, 02-10-2015 12:15 PM
    • Replies: 11
    • Views: 229
    02-10-2015, 02:13 PM Go to last post
  34. Front mounted ETS intercooler?

    Started by Rhawley, 01-14-2015 04:30 PM
    • Replies: 13
    • Views: 513
    01-28-2015, 05:18 PM Go to last post

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