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: "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: 993,712
    08-18-2015, 10:35 AM Go to last post
  2. 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: 373,964
    08-17-2015, 09:37 AM Go to last post
  3. 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: 173,204
    08-06-2015, 10:15 PM Go to last post
  4. 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: 64,991
    01-15-2015, 09:17 AM Go to last post
  5. 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: 60,971
    02-12-2015, 03:16 AM Go to last post
  6. 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: 55,526
    05-11-2015, 12:33 PM Go to last post
  7. 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: 28,561
    01-02-2011, 02:58 PM Go to last post
  8. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 08:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 39,957
    01-22-2014, 06:56 PM Go to last post
  9. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 14,482
    08-12-2007, 04:41 PM Go to last post
  10. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 16,009
    01-10-2015, 09:47 AM Go to last post
  11. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 10,757
    zax
    07-19-2013, 08:13 AM Go to last post
  12. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 06:59 PM
    • Replies: 1
    • Views: 92,855
    09-29-2004, 09:25 PM Go to last post
  13. Sticky Thread Moved: BIG Intake Manifold FAQ!

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

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 5,772
    zax
    11-20-2012, 01:57 PM Go to last post
  15. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 23,468
    09-27-2009, 06:51 AM Go to last post
  16. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 8,478
    04-09-2013, 09:07 PM Go to last post
  1. New (to me) WRX Blowing Smoke like a train

    Started by jkd12589, 04-02-2015 02:04 AM
    11 Pages
    1 2 3 4 5 ... 11
    • Replies: 151
    • Views: 4,670
    07-19-2015, 02:33 PM Go to last post
  2. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 12:50 PM
    5 Pages
    1 2 3 4 5
    • Replies: 60
    • Views: 22,896
    08-06-2015, 06:31 PM Go to last post
  3. 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: 1,072
    08-11-2015, 08:13 AM Go to last post
  4. running rich with MAF sensor?

    Started by pinraptor, 07-24-2015 12:01 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 624
    07-29-2015, 04:38 PM Go to last post
  5. ETS 2015 Subaru WRX Air Intake Kit

    Started by wgokc, 01-30-2015 05:18 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 6,067
    07-24-2015, 11:14 PM Go to last post
  6. FMIC help please?

    Started by 2015subi, 07-23-2015 03:44 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 696
    zax
    07-29-2015, 04:53 AM Go to last post
  7. 2015 WRX - Milk Jug Delete?

    Started by wrxatx, 09-12-2014 09:08 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 11,882
    zax
    08-21-2015, 06:42 AM Go to last post
  8. Modifying help

    Started by SubieWRX2011, 07-17-2015 06:02 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 614
    07-31-2015, 12:15 PM Go to last post
  9. 2015/2016 WRX - how long did YOU wait before installing a Cobb AP?

    Started by NSR Rider, 08-12-2015 11:44 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,080
    08-22-2015, 11:55 AM Go to last post
  10. Simple exhaust question because I'm a noob

    Started by J_saucy, 07-22-2015 03:30 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 484
    07-27-2015, 05:56 PM Go to last post
  11. Bigger trubo

    Started by JacobWRX, 08-23-2015 07:22 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 385
    08-24-2015, 06:39 PM Go to last post
  12. Sucking air in where I should not be.

    Started by jourshua, 06-30-2015 12:12 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 634
    07-21-2015, 11:44 PM Go to last post
  13. Improving Air intake without jeopardizing MAF sensor

    Started by On_All_4s, 08-24-2015 04:15 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 420
    08-25-2015, 04:36 PM Go to last post
  14. Intake question, rallysportdirect.com and aem disagree

    Started by 2011REXRoyalBlu, 01-17-2012 06:10 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 4,063
    08-10-2015, 12:43 PM Go to last post
  15. 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: 623
    07-28-2015, 01:26 AM Go to last post
  16. Turbo back need a tune?

    Started by Carlin, 07-18-2015 12:03 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 628
    08-04-2015, 07:49 PM Go to last post
  17. Are Perrin Intakes illegal in Florida?

    Started by yankrosewood, 08-17-2015 07:25 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 362
    08-18-2015, 10:08 AM Go to last post
  18. Air Oil Seperators

    Started by TownLine500, 12-13-2014 08:12 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 945
    07-24-2015, 11:21 AM Go to last post
  19. Downpie Question

    Started by true2blue, 07-27-2015 10:54 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 412
    07-29-2015, 01:31 PM Go to last post
  20. 2015 to 2016

    Started by jay4901, 07-28-2015 05:09 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 563
    08-26-2015, 10:54 AM Go to last post
  21. Next Mods, Opinions?

    Started by withoutt, 08-06-2015 07:58 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 425
    08-07-2015, 03:43 PM Go to last post
  22. Boost creep issues without tune?

    Started by SubieWRX2011, 08-09-2015 06:04 PM
    • Replies: 14
    • Views: 282
    08-11-2015, 11:29 AM Go to last post
  23. accessport change cdiff?

    Started by jay4901, 07-30-2015 04:52 AM
    • Replies: 12
    • Views: 399
    zax
    08-03-2015, 08:09 AM Go to last post
  24. Anyione running an invidia N1 on their 15 REX

    Started by Cisco Kidd, 08-02-2015 09:15 AM
    • Replies: 11
    • Views: 394
    08-26-2015, 05:02 PM Go to last post
  25. Next Modifications?

    Started by 14wrxboy, 08-11-2015 09:18 AM
    • Replies: 11
    • Views: 282
    08-12-2015, 06:37 AM Go to last post
  26. Grimmspeed Up-pipe

    Started by Ray-Ray03, 07-17-2015 11:43 AM
    • Replies: 11
    • Views: 321
    07-20-2015, 12:24 PM Go to last post
  27. Blow Off Valve really worth it?

    Started by 14wrxboy, 08-18-2015 09:52 AM
    • Replies: 11
    • Views: 345
    zax
    08-19-2015, 07:07 AM Go to last post
  28. Which tuning unit?

    Started by beerdrnkr, 07-09-2015 05:53 AM
    • Replies: 10
    • Views: 423
    07-18-2015, 07:28 PM Go to last post
  29. piston slap ? new engine?

    Started by wrx96, 07-28-2015 05:21 AM
    • Replies: 10
    • Views: 336
    07-29-2015, 05:28 AM Go to last post
    • Replies: 10
    • Views: 385
    07-23-2015, 07:23 PM Go to last post
  30. Need a professional tune?

    Started by SubieWRX2011, 08-05-2015 04:22 PM
    • Replies: 9
    • Views: 298
    08-06-2015, 01:26 PM Go to last post
  31. Question TD05 18G turbo

    Started by Midblue, 08-01-2015 02:46 PM
    • Replies: 9
    • Views: 245
    zax
    08-01-2015, 05:02 PM Go to last post
  32. 2011 wrx weird idle/rpm issue

    Started by Zacheryblack, 08-11-2015 06:37 AM
    • Replies: 8
    • Views: 237
    08-13-2015, 10:59 AM Go to last post
    • Replies: 8
    • Views: 269
    07-24-2015, 03:27 PM Go to last post
  33. SPT Tuning

    Started by Jay508, 02-21-2011 04:28 PM
    • Replies: 8
    • Views: 2,202
    08-22-2015, 11:34 AM Go to last post

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