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

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    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: 123
    • Views: 48,312
    Yesterday, 06:37 PM 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: 11,865
    • Views: 911,981
    01-18-2015, 02:42 PM Go to last post
  3. 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: 51,743
    01-15-2015, 10:17 AM Go to last post
  4. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 12:16 PM
    • Replies: 7
    • Views: 13,083
    01-10-2015, 10:47 AM Go to last post
  5. 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: 42,378
    12-09-2014, 04:43 PM Go to last post
  6. 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: 130,433
    07-20-2014, 07:02 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: 351,019
    06-27-2014, 02:38 PM Go to last post
  8. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 09:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 33,465
    01-22-2014, 07:56 PM Go to last post
  9. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 11:55 PM
    • Replies: 2
    • Views: 7,455
    zax
    07-19-2013, 09:13 AM Go to last post
  10. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 10:07 PM
    • Replies: 0
    • Views: 6,239
    04-09-2013, 10:07 PM Go to last post
  11. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 02:57 PM
    • Replies: 0
    • Views: 4,212
    zax
    11-20-2012, 02:57 PM Go to last post
  12. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 02:51 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 06:35 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 85
    • Views: 26,640
    01-02-2011, 03:58 PM Go to last post
  14. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 07:51 AM
    • Replies: 0
    • Views: 21,250
    09-27-2009, 07:51 AM Go to last post
  15. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 08:43 AM
    • Replies: 8
    • Views: 13,566
    08-12-2007, 05:41 PM Go to last post
  16. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 07:59 PM
    • Replies: 1
    • Views: 89,111
    09-29-2004, 10:25 PM Go to last post
  1. 2005 WRX Catalytic Converter Question

    Started by auriesteve34, Yesterday 08:10 PM
    • Replies: 7
    • Views: 135
    Today, 01:38 AM Go to last post
  2. Question Uppipe removal guidance

    Started by WRX-maniac, 01-25-2015 02:51 PM
    • Replies: 12
    • Views: 192
    Yesterday, 07:08 PM Go to last post
  3. Front mounted ETS intercooler?

    Started by Rhawley, 01-14-2015 04:30 PM
    • Replies: 10
    • Views: 320
    Yesterday, 01:22 PM Go to last post
  4. ? About my mixed messages regarding my build.

    Started by Rhawley, 01-25-2015 01:53 AM
    • Replies: 14
    • Views: 229
    Yesterday, 06:50 AM Go to last post
  5. Building Uppipe

    Started by TooMuchSauce, 01-25-2015 09:12 PM
    • Replies: 1
    • Views: 128
    zax
    01-25-2015, 10:04 PM Go to last post
  6. TD04-19t conversion

    Started by 05'wrxfranco, 01-21-2015 01:44 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 413
    01-25-2015, 05:42 PM Go to last post
  7. Air intake elbow

    Started by Wrx2002nashville, 01-25-2015 01:15 AM
    • Replies: 4
    • Views: 124
    01-25-2015, 04:48 PM Go to last post
  8. Cut only the muffler off

    Started by moparboy, 01-22-2015 09:36 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 389
    01-24-2015, 03:42 PM Go to last post
  9. Tmic vs fmic

    Started by greasemonkey95, 01-20-2015 09:17 AM
    • Replies: 6
    • Views: 267
    01-24-2015, 03:24 PM Go to last post
  10. Mid-Pipe Question?

    Started by Spyder65, 01-21-2015 11:20 AM
    • Replies: 9
    • Views: 252
    01-24-2015, 01:05 PM Go to last post
  11. opinions for next power upgrades

    Started by disqimation, 01-22-2015 03:22 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 509
    01-24-2015, 12:31 AM Go to last post
  12. Is Cobb SF Intake & Airbox harmful to the engine?

    Started by StraightTrexin, 01-22-2015 08:02 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 369
    01-23-2015, 03:31 PM Go to last post
  13. Exhaust fitment?

    Started by Champ10n, 01-10-2015 04:14 PM
    • Replies: 4
    • Views: 226
    01-22-2015, 11:44 AM Go to last post
  14. sti y pipe silcone question

    Started by wrx96, 01-21-2015 03:27 PM
    • Replies: 0
    • Views: 147
    01-21-2015, 03:27 PM Go to last post
  15. School me. td04-19t '05 Wrx

    Started by 4eat05, 11-03-2014 09:01 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 1,948
    01-21-2015, 10:59 AM Go to last post
  16. Bugeye WRX w/ previous mods

    Started by AuzzyP, 01-20-2015 07:48 AM
    • Replies: 4
    • Views: 188
    01-20-2015, 11:10 AM Go to last post
  17. Help! Tactrix cable + TP Tune

    Started by Potato, 01-16-2015 12:41 PM
    • Replies: 5
    • Views: 245
    01-19-2015, 01:24 PM Go to last post
  18. Invidia Exhaust

    Started by Whitt11, 01-18-2015 02:54 PM
    • Replies: 6
    • Views: 234
    01-18-2015, 05:53 PM Go to last post
  19. Down Pipe ? divorced wastegate -vs- Reg

    Started by bthomas6674, 05-17-2005 11:10 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,822
    01-18-2015, 02:57 PM Go to last post
  20. Moved: BOV Discussion

    Started by Whitt11, 01-18-2015 05:00 PM
    •  
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  21. Time to open up my 13 wrx. What would/did you do?

    Started by WRXJoplin, 01-01-2015 10:50 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 932
    01-18-2015, 11:21 AM Go to last post
  22. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 01:50 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 6,811
    01-17-2015, 11:07 AM Go to last post
    • Replies: 3
    • Views: 222
    01-17-2015, 05:36 AM Go to last post
  23. Help buying a WRX

    Started by Xxxx910, 01-14-2015 11:19 PM
    • Replies: 9
    • Views: 332
    01-16-2015, 03:18 PM Go to last post
  24. After turbo swap question

    Started by frenziedcage, 01-09-2015 10:18 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 496
    01-15-2015, 03:20 PM Go to last post
  25. Custom Fab Recirculating Downpipe Question

    Started by thump88, 01-08-2015 07:10 PM
    • Replies: 13
    • Views: 368
    01-15-2015, 10:48 AM Go to last post
  26. Talking Kakimoto exhaust

    Started by Sickbugeye, 01-14-2015 09:39 AM
    • Replies: 8
    • Views: 268
    zax
    01-14-2015, 09:04 PM Go to last post
    • Replies: 4
    • Views: 209
    01-14-2015, 01:54 PM Go to last post
  27. Rear O2 Sensor

    Started by D-tained, 01-03-2015 06:37 PM
    • Replies: 4
    • Views: 217
    01-14-2015, 12:38 PM Go to last post
    • Replies: 16
    • Views: 583
    01-13-2015, 11:26 AM Go to last post
  28. Who has a straight pipe?

    Started by boston813, 03-05-2007 09:56 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,966
    01-12-2015, 10:20 AM Go to last post
  29. HELP! 2002 ej20

    Started by Klumzee, 12-09-2014 06:26 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 879
    01-09-2015, 04:03 PM Go to last post
  30. is the car safe to drive?

    Started by substi555, 01-08-2015 10:30 AM
    • Replies: 14
    • Views: 377
    01-09-2015, 08:00 AM Go to last post
  31. Car Running Strange in low RPMs

    Started by skudda33, 01-06-2015 08:24 AM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 865
    01-08-2015, 01:35 PM Go to last post
  32. Engine rebuild

    Started by SlowSleeper, 01-07-2015 07:01 AM
    • Replies: 6
    • Views: 283
    01-07-2015, 01:54 PM Go to last post

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