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: 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: 40,996
    12-09-2014, 04:43 PM Go to last post
  2. 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: 49,844
    11-27-2014, 04:09 PM Go to last post
  3. 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: 902,416
    11-12-2014, 11:35 AM Go to last post
  4. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 12:16 PM
    • Replies: 6
    • Views: 12,680
    11-01-2014, 12:00 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 04:02 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 122
    • Views: 47,066
    zax
    08-11-2014, 09:30 AM Go to last post
  6. 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: 126,438
    07-20-2014, 07:02 AM 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: 349,398
    06-27-2014, 02:38 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: 32,677
    01-22-2014, 07:56 PM Go to last post
  9. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 11:55 PM
    • Replies: 2
    • Views: 6,963
    zax
    07-19-2013, 09:13 AM Go to last post
  10. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 10:07 PM
    • Replies: 0
    • Views: 5,972
    04-09-2013, 10:07 PM Go to last post
  11. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 02:57 PM
    • Replies: 0
    • Views: 4,012
    zax
    11-20-2012, 02:57 PM Go to last post
  12. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 02:51 PM
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  13. 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: 26,190
    01-02-2011, 03:58 PM Go to last post
  14. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 07:51 AM
    • Replies: 0
    • Views: 20,955
    09-27-2009, 07:51 AM Go to last post
  15. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 08:43 AM
    • Replies: 8
    • Views: 13,422
    08-12-2007, 05:41 PM Go to last post
  16. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 07:59 PM
    • Replies: 1
    • Views: 88,648
    09-29-2004, 10:25 PM Go to last post
  1. Turbo Upgrade Fuel Question

    Started by frenziedcage, Yesterday 12:15 AM
    • Replies: 3
    • Views: 98
    Today, 02:35 AM Go to last post
  2. N1 EXHAUST FAIR PRICE

    Started by Whitt11, 12-25-2014 08:01 PM
    • Replies: 1
    • Views: 70
    12-25-2014, 09:17 PM Go to last post
  3. What's wrong with my car

    Started by Abarrios528, 12-24-2014 09:29 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 244
    12-25-2014, 08:42 PM Go to last post
  4. Exhaust suggestions

    Started by Whitt11, 12-25-2014 01:28 PM
    • Replies: 7
    • Views: 115
    12-25-2014, 05:39 PM Go to last post
  5. 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: 38,968
    12-25-2014, 04:48 PM Go to last post
  6. 2013 WRX exhaust

    Started by Whitt11, 12-25-2014 12:28 PM
    • Replies: 0
    • Views: 64
    12-25-2014, 12:28 PM Go to last post
  7. thinking of buying 02 wrx..... but small problem

    Started by substi555, 12-19-2014 12:57 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 317
    12-25-2014, 06:22 AM Go to last post
  8. closed deck block??

    Started by wrx96, 12-24-2014 04:22 AM
    • Replies: 2
    • Views: 96
    zax
    12-24-2014, 09:59 PM Go to last post
  9. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 01:50 PM
    3 Pages
    1 2 3
    • Replies: 42
    • Views: 4,384
    zax
    12-24-2014, 09:42 PM Go to last post
  10. AVO TOP MOUNT INTERCOOLER - 2015 WRX

    Started by '15BoxerHarvWrx, 12-24-2014 12:51 AM
    • Replies: 1
    • Views: 102
    12-24-2014, 07:16 AM Go to last post
  11. intake with CBE question

    Started by '15BoxerHarvWrx, 12-24-2014 01:58 AM
    • Replies: 3
    • Views: 142
    12-24-2014, 07:07 AM Go to last post
  12. 2015 WRX Subispeed Quad Exhaust

    Started by Zance, 10-27-2014 06:53 PM
    • Replies: 14
    • Views: 738
    12-24-2014, 06:23 AM Go to last post
  13. TurboXS Hybrid BOV review

    Started by '15BoxerHarvWrx, 12-24-2014 12:55 AM
    • Replies: 1
    • Views: 83
    12-24-2014, 05:18 AM Go to last post
  14. Need some Engine Help.

    Started by Delux2769, 12-23-2014 07:08 PM
    • Replies: 3
    • Views: 101
    12-23-2014, 08:26 PM Go to last post
  15. Catback exhaust

    Started by Wrx>>, 11-24-2014 05:16 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 780
    12-23-2014, 07:09 PM Go to last post
    • Replies: 12
    • Views: 144
    12-23-2014, 01:44 PM Go to last post
  16. Engine cutoff at ~115 mph?

    Started by TheCLTSTiG, 12-22-2014 10:53 PM
    • Replies: 8
    • Views: 187
    12-23-2014, 11:45 AM Go to last post
  17. Talking Invidia N1

    Started by Whitt11, 12-21-2014 07:41 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 365
    12-23-2014, 06:37 AM Go to last post
  18. Turboxs RFL Bov install help

    Started by Iamwrxtacy, 12-22-2014 01:10 PM
    • Replies: 11
    • Views: 169
    12-22-2014, 08:18 PM Go to last post
  19. p1245 fail safe wastegate solinoid ?

    Started by wrx96, 12-22-2014 04:01 AM
    • Replies: 4
    • Views: 114
    12-22-2014, 05:00 PM Go to last post
  20. Going Stage 3 with Over 100k?

    Started by greenc51, 12-22-2014 10:16 AM
    • Replies: 3
    • Views: 162
    12-22-2014, 01:03 PM Go to last post
  21. Idle problem

    Started by Daltonp45, 11-19-2014 08:45 PM
    • Replies: 11
    • Views: 332
    zax
    12-22-2014, 07:29 AM Go to last post
  22. AEM CAI FOR 2015 WRX

    Started by japangloko, 12-21-2014 07:56 PM
    • Replies: 4
    • Views: 179
    12-22-2014, 06:39 AM Go to last post
  23. Question STI mods questions please help :)

    Started by 3bdu88, 12-21-2014 07:07 PM
    • Replies: 3
    • Views: 136
    12-22-2014, 03:16 AM Go to last post
  24. Buying a Sti cat back for my wrx!

    Started by ryan909, 12-21-2014 08:10 PM
    • Replies: 5
    • Views: 147
    12-21-2014, 10:23 PM Go to last post
  25. ETS 2015 WRX/STI Axle Back Exhaust System

    Started by wgokc, 12-16-2014 06:48 PM
    • Replies: 8
    • Views: 286
    12-21-2014, 08:39 PM Go to last post
    • Replies: 6
    • Views: 195
    12-21-2014, 01:26 PM Go to last post
  26. Invidia N1

    Started by Whitt11, 12-20-2014 02:35 PM
    • Replies: 4
    • Views: 150
    12-20-2014, 04:39 PM Go to last post
  27. My bugeye motor is sad. Help?

    Started by Impreza2.0, 12-16-2014 09:36 AM
    • Replies: 5
    • Views: 217
    12-20-2014, 11:20 AM Go to last post
  28. School me. td04-19t '05 Wrx

    Started by 4eat05, 11-03-2014 09:01 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 1,327
    12-19-2014, 05:57 PM Go to last post
  29. 05 ringland issue?

    Started by substi555, 12-18-2014 10:18 PM
    • Replies: 6
    • Views: 172
    12-19-2014, 03:12 PM Go to last post
    • Replies: 3
    • Views: 141
    12-18-2014, 09:04 PM Go to last post
  30. Question Quick questions about TD04 -> VF52 swap

    Started by Buthter, 12-18-2014 01:47 PM
    • Replies: 4
    • Views: 161
    12-18-2014, 02:14 PM Go to last post
  31. Oiled air filter vs dry

    Started by Sal.LV93, 12-16-2014 09:08 PM
    • Replies: 4
    • Views: 180
    12-17-2014, 07:33 AM Go to last post
  32. Recommendations? Suggestions? Opinions?

    Started by Cade06WRX, 12-04-2014 08:12 PM
    • Replies: 14
    • Views: 477
    12-16-2014, 02:40 PM Go to last post

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