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: 682

    Last Post:

    High Altitude Tuning Go to last post

    by

    08-25-2015, 11:26 AM

  1. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 14,491
    08-12-2007, 04:41 PM Go to last post
  2. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 16,063
    01-10-2015, 09:47 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 03:02 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 124
    • Views: 61,161
    02-12-2015, 03:16 AM Go to last post
  4. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 06:59 PM
    • Replies: 1
    • Views: 92,921
    09-29-2004, 09:25 PM Go to last post
  5. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 8,532
    04-09-2013, 09:07 PM Go to last post
  6. Sticky Thread Sticky: Exhaust FAQ

    Started by EJ257, 03-30-2010 03:30 PM
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 135
    • Views: 65,219
    01-15-2015, 09:17 AM Go to last post
  7. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 08:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 40,096
    01-22-2014, 06:56 PM Go to last post
  8. Sticky Thread Sticky: First Modifications - what to do and not to do

    Started by mycologist, 01-25-2010 08:05 PM
    16 Pages
    1 2 3 4 5 ... 16
    • Replies: 233
    • Views: 174,091
    08-06-2015, 10:15 PM 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 07:34 AM
    792 Pages
    1 2 3 4 5 ... 792
    • Replies: 11,878
    • Views: 994,896
    08-18-2015, 10:35 AM Go to last post
  10. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 10,821
    zax
    07-19-2013, 08:13 AM Go to last post
  11. Sticky Thread Sticky: WARNING FOR BUYING CATTED DOWNPIPES!!!

    Started by Sinister, 10-27-2010 11:54 AM
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 94
    • Views: 55,816
    05-11-2015, 12:33 PM Go to last post
  12. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 23,508
    09-27-2009, 06:51 AM Go to last post
  13. Sticky Thread Sticky: Exhaust Video/Sound Clips

    Started by TurnWRX, 03-29-2004 10:37 PM
    38 Pages
    1 2 3 4 5 ... 38
    • Replies: 559
    • Views: 374,377
    08-17-2015, 09:37 AM 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 05:35 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 85
    • Views: 28,581
    01-02-2011, 02:58 PM Go to last post
  15. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 01:51 PM
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  16. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 5,801
    zax
    11-20-2012, 01:57 PM Go to last post
  1. Next Modifications?

    Started by 14wrxboy, 08-11-2015 09:18 AM
    • Replies: 11
    • Views: 302
    08-12-2015, 06:37 AM Go to last post
  2. Blow Off Valve really worth it?

    Started by 14wrxboy, 08-18-2015 09:52 AM
    • Replies: 11
    • Views: 383
    zax
    08-19-2015, 07:07 AM Go to last post
  3. Intake question, rallysportdirect.com and aem disagree

    Started by 2011REXRoyalBlu, 01-17-2012 06:10 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 4,103
    08-10-2015, 12:43 PM Go to last post
  4. Catless downpipe?

    Started by 2011wrxsti_hatch, 08-20-2015 10:58 PM
    • Replies: 5
    • Views: 268
    08-21-2015, 05:53 PM Go to last post
  5. FMIC help please?

    Started by 2015subi, 07-23-2015 03:44 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 712
    zax
    07-29-2015, 04:53 AM Go to last post
  6. 2015/2016 TBE options

    Started by 2016cwpwrx, 07-21-2015 06:41 AM
    • Replies: 1
    • Views: 276
    07-21-2015, 01:19 PM Go to last post
  7. Any issues using this locomotive turbo on my suby? pic attached

    Started by BBchevy, 07-09-2015 08:57 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 630
    07-28-2015, 01:26 AM Go to last post
  8. Intake manifold upgrade

    Started by Beecham05, 08-03-2015 01:26 AM
    • Replies: 4
    • Views: 280
    08-04-2015, 10:54 PM Go to last post
  9. Which tuning unit?

    Started by beerdrnkr, 07-09-2015 05:53 AM
    • Replies: 10
    • Views: 441
    07-18-2015, 07:28 PM Go to last post
  10. AEM cold air intake

    Started by bennyj9291, 08-20-2015 04:42 PM
    • Replies: 8
    • Views: 284
    08-21-2015, 05:06 AM Go to last post
  11. First MODS for my 2016 WRX

    Started by branz_1029, 07-19-2015 01:36 PM
    • Replies: 4
    • Views: 800
    07-19-2015, 07:01 PM Go to last post
  12. Engine swap?

    Started by Bross710, 07-19-2015 12:03 AM
    • Replies: 4
    • Views: 203
    07-19-2015, 09:20 PM Go to last post
  13. Tapered exhaust tune downpipe

    Started by Browndemolitia, 07-20-2015 11:03 AM
    • Replies: 2
    • Views: 213
    07-25-2015, 09:52 AM Go to last post
  14. Turbo going out?

    Started by Cade06WRX, Yesterday 01:35 PM
    • Replies: 2
    • Views: 123
    Yesterday, 05:07 PM Go to last post
  15. Turbo back need a tune?

    Started by Carlin, 07-18-2015 12:03 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 639
    08-04-2015, 07:49 PM Go to last post
  16. Anyione running an invidia N1 on their 15 REX

    Started by Cisco Kidd, 08-02-2015 09:15 AM
    • Replies: 11
    • Views: 430
    08-26-2015, 05:02 PM Go to last post
    • Replies: 2
    • Views: 242
    08-07-2015, 04:21 PM Go to last post
  17. Dual out/quad exhaust setup on 2010 wrx

    Started by Coopadoop, 08-05-2015 08:57 AM
    • Replies: 2
    • Views: 207
    08-19-2015, 05:15 AM Go to last post
  18. Exclamation Exhaust Help! Q300 vs CNT Catback systems

    Started by cowboys13, 08-11-2015 08:14 PM
    • Replies: 2
    • Views: 226
    08-15-2015, 12:00 PM Go to last post
  19. up pipe worth it???

    Started by dacrewlilkev, 08-26-2015 10:07 AM
    • Replies: 7
    • Views: 255
    Yesterday, 12:11 PM Go to last post
  20. 2015 WRX Limited - 17,500 Miles - CEL

    Started by Defiance, 08-16-2015 05:56 PM
    • Replies: 1
    • Views: 276
    08-16-2015, 05:56 PM Go to last post
  21. EJ20G HP increase

    Started by Delakor, 07-25-2015 06:12 PM
    • Replies: 2
    • Views: 223
    07-25-2015, 10:34 PM Go to last post
  22. It's turbo time! Turbo+clutch questions

    Started by disqimation, 08-15-2015 09:46 AM
    • Replies: 1
    • Views: 214
    08-16-2015, 11:17 AM Go to last post
  23. Mishimoto CAI on a 2015 wrx limited Noob ?

    Started by Dpvisual, 06-08-2015 03:29 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 1,106
    08-11-2015, 08:13 AM Go to last post
  24. New block

    Started by Dubyaarghex, 07-19-2015 07:30 PM
    • Replies: 3
    • Views: 250
    07-20-2015, 12:37 PM Go to last post
  25. After new turbo install, no joy

    Started by Ezrider725, 08-29-2015 11:31 AM
    • Replies: 1
    • Views: 150
    08-29-2015, 11:55 AM Go to last post
  26. Accessport

    Started by flowlikejay, 08-06-2015 12:36 AM
    • Replies: 1
    • Views: 267
    08-06-2015, 12:59 AM Go to last post
    • Replies: 11
    • Views: 146
    Today, 08:41 AM Go to last post
  27. Rod Knock

    Started by GLiTZSubie, 08-16-2015 06:22 AM
    • Replies: 3
    • Views: 223
    zax
    08-16-2015, 09:19 AM Go to last post
  28. Subispeed n1 dual exhaust help

    Started by Hehhreee, 08-11-2015 06:22 AM
    • Replies: 3
    • Views: 253
    08-13-2015, 06:02 AM Go to last post
  29. 04 WRX Straight pipe?

    Started by hlaurx, 08-25-2015 02:32 PM
    • Replies: 1
    • Views: 140
    08-25-2015, 03:04 PM Go to last post
  30. Engine is Burning Oil

    Started by HLBlock, 07-29-2015 11:28 AM
    • Replies: 1
    • Views: 274
    07-29-2015, 12:27 PM Go to last post
  31. Ej205 cylinder head question

    Started by homflake, 08-15-2015 11:50 AM
    • Replies: 3
    • Views: 195
    08-17-2015, 05:14 PM Go to last post
  32. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 12:50 PM
    5 Pages
    1 2 3 4 5
    • Replies: 60
    • Views: 23,264
    08-06-2015, 06:31 PM Go to last post
  33. How to: Air Box Silencer Delete

    Started by J.Skellington, 11-17-2006 04:08 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 109
    • Views: 54,752
    08-30-2015, 03:17 PM Go to last post

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