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: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 08:43 AM
    • Replies: 8
    • Views: 13,409
    08-12-2007, 05:41 PM Go to last post
  2. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 12:16 PM
    • Replies: 6
    • Views: 12,652
    11-01-2014, 12:00 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 04:02 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 122
    • Views: 46,993
    zax
    08-11-2014, 09:30 AM Go to last post
  4. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 07:59 PM
    • Replies: 1
    • Views: 88,611
    09-29-2004, 10:25 PM Go to last post
  5. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 10:07 PM
    • Replies: 0
    • Views: 5,952
    04-09-2013, 10:07 PM Go to last post
  6. Sticky Thread Sticky: Exhaust FAQ

    Started by EJ257, 03-30-2010 04:30 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 125
    • Views: 49,712
    11-27-2014, 04:09 PM Go to last post
  7. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 09:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 32,621
    01-22-2014, 07:56 PM Go to last post
  8. Sticky Thread Sticky: First Modifications - what to do and not to do

    Started by mycologist, 01-25-2010 09:05 PM
    14 Pages
    1 2 3 4 5 ... 14
    • Replies: 197
    • Views: 126,131
    07-20-2014, 07:02 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 08:34 AM
    790 Pages
    1 2 3 4 5 ... 790
    • Replies: 11,839
    • Views: 901,445
    11-12-2014, 11:35 AM Go to last post
  10. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 11:55 PM
    • Replies: 2
    • Views: 6,927
    zax
    07-19-2013, 09:13 AM Go to last post
  11. 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: 40,908
    12-09-2014, 04:43 PM Go to last post
  12. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 07:51 AM
    • Replies: 0
    • Views: 20,928
    09-27-2009, 07:51 AM Go to last post
  13. 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: 349,236
    06-27-2014, 02:38 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 06:35 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 85
    • Views: 26,133
    01-02-2011, 03:58 PM Go to last post
  15. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 02:51 PM
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  16. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 02:57 PM
    • Replies: 0
    • Views: 4,000
    zax
    11-20-2012, 02:57 PM Go to last post
    • Replies: 1
    • Views: 62
    Today, 07:16 AM Go to last post
  1. TurboXS Hybrid BOV review

    Started by '15BoxerHarvWrx, Today 12:55 AM
    • Replies: 1
    • Views: 58
    Today, 05:18 AM Go to last post
  2. Question STI mods questions please help :)

    Started by 3bdu88, 12-21-2014 07:07 PM
    • Replies: 3
    • Views: 124
    12-22-2014, 03:16 AM Go to last post
  3. School me. td04-19t '05 Wrx

    Started by 4eat05, 11-03-2014 09:01 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 1,291
    12-19-2014, 05:57 PM Go to last post
    • Replies: 6
    • Views: 176
    12-21-2014, 01:26 PM Go to last post
  4. 2014 Impreza WRX motor type?

    Started by bunch, 11-20-2014 08:49 AM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 1,236
    11-25-2014, 01:44 PM Go to last post
  5. Question Quick questions about TD04 -> VF52 swap

    Started by Buthter, 12-18-2014 01:47 PM
    • Replies: 4
    • Views: 151
    12-18-2014, 02:14 PM Go to last post
  6. Recommendations? Suggestions? Opinions?

    Started by Cade06WRX, 12-04-2014 08:12 PM
    • Replies: 14
    • Views: 467
    12-16-2014, 02:40 PM Go to last post
    • Replies: 36
    • Views: 1,034
    11-26-2014, 09:25 AM Go to last post
  7. Idle problem

    Started by Daltonp45, 11-19-2014 08:45 PM
    • Replies: 11
    • Views: 326
    zax
    12-22-2014, 07:29 AM Go to last post
  8. Need some Engine Help.

    Started by Delux2769, Yesterday 07:08 PM
    • Replies: 3
    • Views: 85
    Yesterday, 08:26 PM Go to last post
  9. 2015 wrx mods without voiding warranty?

    Started by Dwill2015wrx, 11-23-2014 12:43 AM
    • Replies: 3
    • Views: 498
    11-23-2014, 02:14 PM Go to last post
  10. Moved: Hi

    Started by g3c0t, 12-14-2014 06:09 PM
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  11. Going Stage 3 with Over 100k?

    Started by greenc51, 12-22-2014 10:16 AM
    • Replies: 3
    • Views: 147
    12-22-2014, 01:03 PM Go to last post
  12. HP gain from different cat on 2015

    Started by guzziman, 11-07-2014 03:44 PM
    • Replies: 10
    • Views: 617
    11-19-2014, 02:13 PM Go to last post
  13. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 01:50 PM
    3 Pages
    1 2 3
    • Replies: 41
    • Views: 4,187
    Yesterday, 09:09 PM Go to last post
  14. Turboxs RFL Bov install help

    Started by Iamwrxtacy, 12-22-2014 01:10 PM
    • Replies: 11
    • Views: 158
    12-22-2014, 08:18 PM Go to last post
  15. My bugeye motor is sad. Help?

    Started by Impreza2.0, 12-16-2014 09:36 AM
    • Replies: 5
    • Views: 204
    12-20-2014, 11:20 AM Go to last post
    • Replies: 3
    • Views: 134
    12-18-2014, 09:04 PM Go to last post
    • Replies: 12
    • Views: 125
    Yesterday, 01:44 PM Go to last post
  16. AEM CAI FOR 2015 WRX

    Started by japangloko, 12-21-2014 07:56 PM
    • Replies: 4
    • Views: 167
    12-22-2014, 06:39 AM Go to last post
    • Replies: 3
    • Views: 245
    12-07-2014, 09:44 PM Go to last post
  17. 2013 WRX 360WHP/450TQ

    Started by jcortesweb, 12-15-2014 10:34 PM
    • Replies: 0
    • Views: 194
    12-15-2014, 10:34 PM Go to last post
  18. P0171

    Started by Jimgon93, 11-06-2014 12:20 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 551
    11-10-2014, 05:40 PM Go to last post
  19. Version 9 swap questions

    Started by Kleen wrx, 11-23-2014 11:03 AM
    • Replies: 10
    • Views: 266
    11-25-2014, 09:17 AM Go to last post
  20. HELP! 2002 ej20

    Started by Klumzee, 12-09-2014 06:26 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 373
    12-11-2014, 09:41 PM Go to last post
  21. Question about upgrading under factory warranty

    Started by mdawson808, 12-12-2014 06:54 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 519
    12-13-2014, 07:19 PM Go to last post
  22. Question Little or no boost :/

    Started by mikeicke93, 08-07-2014 11:09 PM
    13 Pages
    1 2 3 4 5 ... 13
    • Replies: 189
    • Views: 4,347
    11-10-2014, 05:41 AM Go to last post
  23. 2015 WRX Drop-in Filters Help

    Started by mioutback4, 11-23-2014 02:38 PM
    • Replies: 10
    • Views: 510
    12-05-2014, 05:34 AM Go to last post
  24. NO BOOST 2011 WRX?!??!?!?

    Started by Moehejazi, 11-22-2014 05:49 PM
    • Replies: 2
    • Views: 303
    11-29-2014, 09:06 AM Go to last post
  25. stage 1 review

    Started by nsibanez, 10-18-2014 11:39 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 1,590
    12-06-2014, 08:30 PM Go to last post
  26. New Performance Ignition

    Started by PerfDist, 12-04-2014 11:02 AM
    • Replies: 0
    • Views: 187
    12-04-2014, 11:02 AM Go to last post
  27. Factory upgraded exhaust 2015 wrx

    Started by rolshoe, 12-04-2014 08:36 PM
    • Replies: 9
    • Views: 366
    12-05-2014, 07:21 PM Go to last post
  28. Buying a Sti cat back for my wrx!

    Started by ryan909, 12-21-2014 08:10 PM
    • Replies: 5
    • Views: 136
    12-21-2014, 10:23 PM Go to last post
  29. Oiled air filter vs dry

    Started by Sal.LV93, 12-16-2014 09:08 PM
    • Replies: 4
    • Views: 169
    12-17-2014, 07:33 AM Go to last post

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