Engine Modifications
+ Post New Thread
Page 1 of 2 12 LastLast
Threads 1 to 35 of 66

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: 681

    Last Post:

    TECH: High altitude and octane Go to last post

    by

    11-06-2014, 06:28 PM

  1. 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: 902,535
    11-12-2014, 11:35 AM Go to last post
  2. 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: 349,446
    06-27-2014, 02:38 PM Go to last post
  3. Sticky Thread Sticky: First Modifications - what to do and not to do

    Started by mycologist, 01-25-2010 09:05 PM
    14 Pages
    1 2 3 4 5 ... 14
    • Replies: 197
    • Views: 126,491
    07-20-2014, 07:02 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: 88,653
    09-29-2004, 10:25 PM Go to last post
  5. 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: 49,871
    11-27-2014, 04:09 PM 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 04:02 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 122
    • Views: 47,089
    zax
    08-11-2014, 09:30 AM Go to last post
  7. 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: 41,022
    12-09-2014, 04:43 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: 32,682
    01-22-2014, 07:56 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 06:35 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 85
    • Views: 26,197
    01-02-2011, 03:58 PM 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: 20,957
    09-27-2009, 07:51 AM Go to last post
  11. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 08:43 AM
    • Replies: 8
    • Views: 13,423
    08-12-2007, 05:41 PM Go to last post
  12. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 12:16 PM
    • Replies: 6
    • Views: 12,683
    11-01-2014, 12:00 AM Go to last post
  13. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 11:55 PM
    • Replies: 2
    • Views: 6,966
    zax
    07-19-2013, 09:13 AM Go to last post
  14. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 10:07 PM
    • Replies: 0
    • Views: 5,975
    04-09-2013, 10:07 PM Go to last post
  15. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 02:57 PM
    • Replies: 0
    • Views: 4,018
    zax
    11-20-2012, 02:57 PM Go to last post
  16. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 02:51 PM
    •  
    •  
  1. Stock WRX turbo is not a 13G it is a 13T

    Started by hotrod, 01-17-2005 05:59 AM
    3 Pages
    1 2 3
    • Replies: 39
    • Views: 38,977
    12-25-2014, 04:48 PM Go to last post
  2. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 01:50 PM
    3 Pages
    1 2 3
    • Replies: 42
    • Views: 4,423
    zax
    12-24-2014, 09:42 PM Go to last post
  3. 2015 WRX Mishimoto or ETS intake

    Started by wrxedd, 10-07-2014 12:54 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 2,999
    12-09-2014, 04:36 PM Go to last post
    • Replies: 45
    • Views: 2,302
    12-12-2014, 03:35 PM Go to last post
  4. stage 1 review

    Started by nsibanez, 10-18-2014 11:39 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 1,609
    12-06-2014, 08:30 PM Go to last post
  5. School me. td04-19t '05 Wrx

    Started by 4eat05, 11-03-2014 09:01 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 1,333
    12-19-2014, 05:57 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: 1,251
    11-25-2014, 01:44 PM Go to last post
    • Replies: 36
    • Views: 1,045
    11-26-2014, 09:25 AM Go to last post
  7. Removing A/C... Horsepower gain?

    Started by TurboWill, 12-02-2013 07:09 PM
    • Replies: 5
    • Views: 969
    11-25-2014, 02:30 PM Go to last post
  8. Catback exhaust

    Started by Wrx>>, 11-24-2014 05:16 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 785
    12-23-2014, 07:09 PM Go to last post
  9. 2015 WRX Subispeed Quad Exhaust

    Started by Zance, 10-27-2014 06:53 PM
    • Replies: 14
    • Views: 743
    12-24-2014, 06:23 AM Go to last post
  10. HP gain from different cat on 2015

    Started by guzziman, 11-07-2014 03:44 PM
    • Replies: 10
    • Views: 629
    11-19-2014, 02:13 PM Go to last post
  11. Newbie turbo questions

    Started by tlinnik, 11-12-2014 02:33 PM
    • Replies: 12
    • Views: 598
    11-17-2014, 11:09 AM Go to last post
  12. Question about upgrading under factory warranty

    Started by mdawson808, 12-12-2014 06:54 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 542
    12-13-2014, 07:19 PM Go to last post
  13. 2015 WRX Drop-in Filters Help

    Started by mioutback4, 11-23-2014 02:38 PM
    • Replies: 10
    • Views: 519
    12-05-2014, 05:34 AM Go to last post
  14. 2015 wrx mods without voiding warranty?

    Started by Dwill2015wrx, 11-23-2014 12:43 AM
    • Replies: 3
    • Views: 512
    11-23-2014, 02:14 PM Go to last post
  15. Recommendations? Suggestions? Opinions?

    Started by Cade06WRX, 12-04-2014 08:12 PM
    • Replies: 14
    • Views: 480
    12-16-2014, 02:40 PM Go to last post
  16. Stage 2 here I come!

    Started by WrxNate, 12-01-2014 02:28 PM
    • Replies: 14
    • Views: 415
    12-02-2014, 09:49 AM Go to last post
  17. Air Oil Seperators

    Started by TownLine500, 12-13-2014 09:12 PM
    • Replies: 14
    • Views: 392
    12-16-2014, 03:24 AM Go to last post
  18. 08+ Forged Internals

    Started by Te-Wrx, 11-23-2014 10:51 AM
    • Replies: 7
    • Views: 383
    12-03-2014, 08:00 PM Go to last post
  19. HELP! 2002 ej20

    Started by Klumzee, 12-09-2014 06:26 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 380
    12-11-2014, 09:41 PM Go to last post
  20. STi smoke from crankcase and exhaust.....

    Started by substi555, 12-09-2014 01:53 AM
    • Replies: 13
    • Views: 371
    12-11-2014, 07:49 PM Go to last post
  21. Talking Invidia N1

    Started by Whitt11, 12-21-2014 07:41 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 371
    12-23-2014, 06:37 AM Go to last post
  22. Factory upgraded exhaust 2015 wrx

    Started by rolshoe, 12-04-2014 08:36 PM
    • Replies: 9
    • Views: 371
    12-05-2014, 07:21 PM Go to last post
  23. Idle problem

    Started by Daltonp45, 11-19-2014 08:45 PM
    • Replies: 11
    • Views: 333
    zax
    12-22-2014, 07:29 AM Go to last post
  24. thinking of buying 02 wrx..... but small problem

    Started by substi555, 12-19-2014 12:57 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 322
    12-25-2014, 06:22 AM Go to last post
  25. NO BOOST 2011 WRX?!??!?!?

    Started by Moehejazi, 11-22-2014 05:49 PM
    • Replies: 2
    • Views: 308
    11-29-2014, 09:06 AM Go to last post
  26. Thumbs up WRX MODS

    Started by Whitt11, 12-12-2014 06:21 PM
    • Replies: 12
    • Views: 306
    12-13-2014, 01:20 PM Go to last post
  27. ETS 2015 WRX/STI Axle Back Exhaust System

    Started by wgokc, 12-16-2014 06:48 PM
    • Replies: 8
    • Views: 288
    12-21-2014, 08:39 PM Go to last post
  28. Version 9 swap questions

    Started by Kleen wrx, 11-23-2014 11:03 AM
    • Replies: 10
    • Views: 267
    11-25-2014, 09:17 AM Go to last post
  29. What's wrong with my car

    Started by Abarrios528, 12-24-2014 09:29 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 252
    12-25-2014, 08:42 PM Go to last post
  30. Blackwidow aftermarket muffler

    Started by Subie_sonny, 11-18-2014 11:46 PM
    • Replies: 4
    • Views: 252
    11-24-2014, 06:44 AM Go to last post
    • Replies: 3
    • Views: 250
    12-07-2014, 09:44 PM Go to last post
  31. built engine question.....

    Started by substi555, 12-04-2014 05:01 PM
    • Replies: 4
    • Views: 246
    12-05-2014, 10:27 AM Go to last post
  32. 2013 WRX 360WHP/450TQ

    Started by jcortesweb, 12-15-2014 10:34 PM
    • Replies: 0
    • Views: 221
    12-15-2014, 10:34 PM Go to last post

+ Post New Thread
Page 1 of 2 12 LastLast

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
  •