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: 122
    • Views: 46,721
    zax
    08-11-2014, 09:30 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
    790 Pages
    1 2 3 4 5 ... 790
    • Replies: 11,839
    • Views: 898,919
    11-12-2014, 11:35 AM 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: 6,806
    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: 88,524
    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
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 125
    • Views: 49,248
    11-27-2014, 04:09 PM 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: 348,817
    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: 125,443
    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: 6
    • Views: 12,583
    11-01-2014, 12:00 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: 20,860
    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: 5,888
    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: 25,985
    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: 13,378
    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: 3,946
    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: 40,579
    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: 32,472
    01-22-2014, 07:56 PM Go to last post
  1. 02 wrx

    Started by nickrich53, 11-04-2014 11:47 AM
    • Replies: 5
    • Views: 278
    11-04-2014, 03:55 PM Go to last post
  2. 08+ Forged Internals

    Started by Te-Wrx, 11-23-2014 10:51 AM
    • Replies: 7
    • Views: 351
    12-03-2014, 08:00 PM Go to last post
    • Replies: 1
    • Views: 94
    12-15-2014, 04:54 PM Go to last post
  3. 2004 WRX Oil in Intercooler?

    Started by wingman358, 11-09-2014 11:43 PM
    • Replies: 12
    • Views: 411
    zax
    11-12-2014, 11:31 AM Go to last post
  4. 2008 WRX - how much power can it handle/produce?

    Started by xtremez2k, 06-07-2010 01:23 AM
    4 Pages
    1 2 3 4
    • Replies: 58
    • Views: 15,656
    11-05-2014, 05:36 AM Go to last post
    • Replies: 45
    • Views: 2,136
    12-12-2014, 03:35 PM Go to last post
  5. 2013 WRX 360WHP/450TQ

    Started by jcortesweb, 12-15-2014 10:34 PM
    • Replies: 0
    • Views: 138
    12-15-2014, 10:34 PM Go to last post
  6. 2014 Impreza WRX motor type?

    Started by bunch, 11-20-2014 08:49 AM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 1,173
    11-25-2014, 01:44 PM Go to last post
  7. 2015 Cobb j pipe and exhaust

    Started by olpse, 12-15-2014 11:11 AM
    • Replies: 1
    • Views: 128
    zax
    12-15-2014, 11:19 AM Go to last post
  8. 2015 WRX Drop-in Filters Help

    Started by mioutback4, 11-23-2014 02:38 PM
    • Replies: 10
    • Views: 453
    12-05-2014, 05:34 AM Go to last post
  9. 2015 WRX Mishimoto or ETS intake

    Started by wrxedd, 10-07-2014 12:54 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 2,667
    12-09-2014, 04:36 PM Go to last post
  10. 2015 wrx mods without voiding warranty?

    Started by Dwill2015wrx, 11-23-2014 12:43 AM
    • Replies: 3
    • Views: 467
    11-23-2014, 02:14 PM Go to last post
  11. Air Oil Seperator

    Started by TownLine500, 11-02-2014 02:49 PM
    • Replies: 14
    • Views: 403
    11-03-2014, 02:06 PM Go to last post
  12. Air Oil Seperators

    Started by TownLine500, 12-13-2014 09:12 PM
    • Replies: 14
    • Views: 330
    12-16-2014, 03:24 AM Go to last post
    • Replies: 2
    • Views: 80
    Yesterday, 11:41 AM Go to last post
  13. Blackwidow aftermarket muffler

    Started by Subie_sonny, 11-18-2014 11:46 PM
    • Replies: 4
    • Views: 250
    11-24-2014, 06:44 AM Go to last post
  14. built engine question.....

    Started by substi555, 12-04-2014 05:01 PM
    • Replies: 4
    • Views: 211
    12-05-2014, 10:27 AM Go to last post
  15. Catback exhaust

    Started by Wrx>>, 11-24-2014 05:16 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 634
    12-12-2014, 05:50 AM Go to last post
  16. Cobb tbe question

    Started by Marl's Rex, 11-02-2014 02:28 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 686
    11-04-2014, 12:41 PM Go to last post
  17. COBB V2

    Started by Whitt11, 12-15-2014 12:53 AM
    • Replies: 1
    • Views: 113
    12-15-2014, 05:07 AM Go to last post
  18. Cold Air Intake questions

    Started by williedibo, 11-03-2014 05:16 PM
    • Replies: 5
    • Views: 391
    11-05-2014, 06:18 PM Go to last post
  19. EGT Sensor?

    Started by CLR7, 02-05-2010 04:54 AM
    • Replies: 10
    • Views: 5,340
    11-05-2014, 09:53 AM Go to last post
  20. ETS 2015 WRX/STI Axle Back Exhaust System

    Started by wgokc, 12-16-2014 06:48 PM
    • Replies: 6
    • Views: 156
    Yesterday, 06:53 PM Go to last post
  21. Exhaust Decisions

    Started by J_saucy, 11-04-2014 06:50 PM
    • Replies: 6
    • Views: 417
    zax
    11-05-2014, 06:59 AM Go to last post
  22. Factory upgraded exhaust 2015 wrx

    Started by rolshoe, 12-04-2014 08:36 PM
    • Replies: 9
    • Views: 330
    12-05-2014, 07:21 PM Go to last post
  23. HELP! 2002 ej20

    Started by Klumzee, 12-09-2014 06:26 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 338
    12-11-2014, 09:41 PM Go to last post
  24. Moved: Hi

    Started by g3c0t, 12-14-2014 06:09 PM
    •  
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    • Replies: 36
    • Views: 967
    11-26-2014, 09:25 AM Go to last post
  25. HP gain from different cat on 2015

    Started by guzziman, 11-07-2014 03:44 PM
    • Replies: 10
    • Views: 579
    11-19-2014, 02:13 PM Go to last post
  26. Idle problem

    Started by Daltonp45, 11-19-2014 08:45 PM
    • Replies: 4
    • Views: 244
    11-20-2014, 08:03 AM Go to last post
  27. Killer B ultimate oil pickup

    Started by TownLine500, 11-06-2014 01:20 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 474
    11-07-2014, 09:37 AM Go to last post
  28. 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: 4,287
    11-10-2014, 05:41 AM Go to last post
  29. motor mounts

    Started by ssbmx90, 11-13-2014 06:13 PM
    • Replies: 1
    • Views: 201
    11-13-2014, 06:43 PM Go to last post
  30. My bugeye motor is sad. Help?

    Started by Impreza2.0, 12-16-2014 09:36 AM
    • Replies: 3
    • Views: 118
    zax
    12-16-2014, 11:54 AM Go to last post
  31. Need help turbo swap

    Started by wrx_trooper, 12-05-2014 09:20 PM
    • Replies: 1
    • Views: 174
    12-05-2014, 09:43 PM Go to last post

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