Engine Modifications
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Threads 1 to 35 of 90

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: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 08:43 AM
    • Replies: 8
    • Views: 13,580
    08-12-2007, 05:41 PM Go to last post
  2. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 12:16 PM
    • Replies: 7
    • Views: 13,112
    01-10-2015, 10:47 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 04:02 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 123
    • Views: 48,463
    01-26-2015, 06:37 PM 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: 89,162
    09-29-2004, 10:25 PM Go to last post
  5. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 10:07 PM
    • Replies: 0
    • Views: 6,269
    04-09-2013, 10:07 PM Go to last post
  6. Sticky Thread Sticky: Exhaust FAQ

    Started by EJ257, 03-30-2010 04:30 PM
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 135
    • Views: 51,844
    01-15-2015, 10:17 AM Go to last post
  7. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 09:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 33,564
    01-22-2014, 07:56 PM Go to last post
  8. Sticky Thread Sticky: First Modifications - what to do and not to do

    Started by mycologist, 01-25-2010 09:05 PM
    14 Pages
    1 2 3 4 5 ... 14
    • Replies: 197
    • Views: 130,814
    07-20-2014, 07:02 AM 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 08:34 AM
    792 Pages
    1 2 3 4 5 ... 792
    • Replies: 11,865
    • Views: 912,632
    01-18-2015, 02:42 PM Go to last post
  10. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 11:55 PM
    • Replies: 2
    • Views: 7,477
    zax
    07-19-2013, 09:13 AM Go to last post
  11. 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: 42,509
    12-09-2014, 04:43 PM Go to last post
  12. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 07:51 AM
    • Replies: 0
    • Views: 21,275
    09-27-2009, 07:51 AM Go to last post
  13. 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: 351,130
    06-27-2014, 02:38 PM 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 06:35 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 85
    • Views: 26,671
    01-02-2011, 03:58 PM Go to last post
  15. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 02:51 PM
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  16. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 02:57 PM
    • Replies: 0
    • Views: 4,225
    zax
    11-20-2012, 02:57 PM Go to last post
  1. intake with CBE question

    Started by '15BoxerHarvWrx, 12-24-2014 01:58 AM
    • Replies: 3
    • Views: 314
    12-24-2014, 07:07 AM Go to last post
  2. AVO TOP MOUNT INTERCOOLER - 2015 WRX

    Started by '15BoxerHarvWrx, 12-24-2014 12:51 AM
    • Replies: 1
    • Views: 290
    12-24-2014, 07:16 AM Go to last post
  3. TurboXS Hybrid BOV review

    Started by '15BoxerHarvWrx, 12-24-2014 12:55 AM
    • Replies: 1
    • Views: 183
    12-24-2014, 05:18 AM Go to last post
  4. TD04-19t conversion

    Started by 05'wrxfranco, 01-21-2015 01:44 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 433
    01-25-2015, 05:42 PM Go to last post
  5. Cobb Access Port Launch Control Question

    Started by 14wrxboy, 01-02-2015 03:12 PM
    • Replies: 3
    • Views: 255
    01-03-2015, 12:40 PM Go to last post
  6. Catted or catless down pipe?

    Started by 19transam81, 01-28-2015 08:58 PM
    • Replies: 5
    • Views: 183
    Yesterday, 08:05 AM Go to last post
  7. Question STI mods questions please help :)

    Started by 3bdu88, 12-21-2014 07:07 PM
    • Replies: 3
    • Views: 208
    12-22-2014, 03:16 AM Go to last post
  8. School me. td04-19t '05 Wrx

    Started by 4eat05, 11-03-2014 09:01 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 1,988
    01-21-2015, 10:59 AM Go to last post
  9. What's wrong with my car

    Started by Abarrios528, 12-24-2014 09:29 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 515
    12-25-2014, 08:42 PM Go to last post
    • Replies: 6
    • Views: 357
    12-21-2014, 01:26 PM Go to last post
  10. Bugeye WRX w/ previous mods

    Started by AuzzyP, 01-20-2015 07:48 AM
    • Replies: 4
    • Views: 207
    01-20-2015, 11:10 AM Go to last post
  11. Who has a straight pipe?

    Started by boston813, 03-05-2007 09:56 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,984
    01-12-2015, 10:20 AM Go to last post
  12. Down Pipe ? divorced wastegate -vs- Reg

    Started by bthomas6674, 05-17-2005 11:10 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,838
    01-18-2015, 02:57 PM Go to last post
  13. Question Quick questions about TD04 -> VF52 swap

    Started by Buthter, 12-18-2014 01:47 PM
    • Replies: 4
    • Views: 250
    12-18-2014, 02:14 PM Go to last post
  14. Recommendations? Suggestions? Opinions?

    Started by Cade06WRX, 12-04-2014 08:12 PM
    • Replies: 14
    • Views: 561
    12-16-2014, 02:40 PM Go to last post
  15. Exhaust fitment?

    Started by Champ10n, 01-10-2015 04:14 PM
    • Replies: 4
    • Views: 231
    01-22-2015, 11:44 AM Go to last post
  16. Rear O2 Sensor

    Started by D-tained, 01-03-2015 06:37 PM
    • Replies: 4
    • Views: 225
    01-14-2015, 12:38 PM Go to last post
  17. Car hesitating to go

    Started by Daltonp45, Yesterday 07:32 PM
    • Replies: 12
    • Views: 121
    Yesterday, 09:51 PM Go to last post
  18. Idle problem

    Started by Daltonp45, 11-19-2014 08:45 PM
    • Replies: 11
    • Views: 390
    zax
    12-22-2014, 07:29 AM Go to last post
  19. Need some Engine Help.

    Started by Delux2769, 12-23-2014 07:08 PM
    • Replies: 3
    • Views: 169
    12-23-2014, 08:26 PM Go to last post
  20. opinions for next power upgrades

    Started by disqimation, 01-22-2015 03:22 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 536
    01-24-2015, 12:31 AM Go to last post
    • Replies: 16
    • Views: 613
    01-13-2015, 11:26 AM Go to last post
  21. Engine mod ideas

    Started by eleazarhood, 01-27-2015 10:02 PM
    • Replies: 6
    • Views: 219
    01-28-2015, 09:44 PM Go to last post
  22. What potential is there in modding an non-sti wrx?

    Started by epxwrx, 01-02-2015 11:34 PM
    • Replies: 5
    • Views: 516
    01-06-2015, 10:29 AM Go to last post
  23. To the gents nodding their 2015 wrx .

    Started by epxwrx, 12-31-2014 03:39 PM
    • Replies: 3
    • Views: 306
    01-01-2015, 05:51 AM Go to last post
  24. Turbo Upgrade Fuel Question

    Started by frenziedcage, 12-26-2014 12:15 AM
    • Replies: 10
    • Views: 327
    12-28-2014, 10:33 PM Go to last post
  25. After turbo swap question

    Started by frenziedcage, 01-09-2015 10:18 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 512
    01-15-2015, 03:20 PM Go to last post
  26. Tmic vs fmic

    Started by greasemonkey95, 01-20-2015 09:17 AM
    • Replies: 6
    • Views: 294
    01-24-2015, 03:24 PM Go to last post
  27. Going Stage 3 with Over 100k?

    Started by greenc51, 12-22-2014 10:16 AM
    • Replies: 3
    • Views: 282
    12-22-2014, 01:03 PM Go to last post
  28. opinions on drop in aftermarket air filters

    Started by guzziman, 12-31-2014 06:30 PM
    • Replies: 4
    • Views: 206
    12-31-2014, 08:28 PM Go to last post
  29. 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: 39,823
    12-25-2014, 04:48 PM Go to last post
  30. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 01:50 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 6,954
    01-17-2015, 11:07 AM Go to last post
  31. Turboxs RFL Bov install help

    Started by Iamwrxtacy, 12-22-2014 01:10 PM
    • Replies: 11
    • Views: 263
    12-22-2014, 08:18 PM Go to last post
  32. My bugeye motor is sad. Help?

    Started by Impreza2.0, 12-16-2014 09:36 AM
    • Replies: 5
    • Views: 270
    12-20-2014, 11:20 AM Go to last post
  33. RacerX Tmic for 2015 wrx

    Started by imrbobby, 01-27-2015 07:41 PM
    • Replies: 1
    • Views: 141
    01-27-2015, 08:25 PM Go to last post

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