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, 05:28 PM

  1. Sticky Thread Sticky: First Modifications - what to do and not to do

    Started by mycologist, 01-25-2010 08:05 PM
    15 Pages
    1 2 3 4 5 ... 15
    • Replies: 210
    • Views: 153,869
    05-25-2015, 06:44 AM Go to last post
  2. 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: 49,784
    05-11-2015, 12:33 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 07:34 AM
    792 Pages
    1 2 3 4 5 ... 792
    • Replies: 11,876
    • Views: 961,343
    04-21-2015, 11:59 AM Go to last post
  4. 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: 557
    • Views: 364,033
    03-22-2015, 03:35 PM 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: 56,111
    02-12-2015, 03:16 AM 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: 59,502
    01-15-2015, 09:17 AM Go to last post
  7. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 14,812
    01-10-2015, 09:47 AM 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: 37,131
    01-22-2014, 06:56 PM Go to last post
  9. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 9,278
    zax
    07-19-2013, 08:13 AM Go to last post
  10. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 7,602
    04-09-2013, 09:07 PM Go to last post
  11. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 5,179
    zax
    11-20-2012, 01:57 PM Go to last post
  12. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 01:51 PM
    •  
    •  
  13. 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: 27,877
    01-02-2011, 02:58 PM Go to last post
  14. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 22,541
    09-27-2009, 06:51 AM Go to last post
  15. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 14,211
    08-12-2007, 04:41 PM Go to last post
  16. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 06:59 PM
    • Replies: 1
    • Views: 91,311
    09-29-2004, 09:25 PM Go to last post
  1. Ej205 block weakness? 207 stronger?

    Started by 4eat05, 05-25-2015 06:47 PM
    • Replies: 3
    • Views: 179
    Today, 10:09 AM Go to last post
  2. Boost PSI problem Stage 1

    Started by withoutt, 05-12-2015 06:33 AM
    • Replies: 12
    • Views: 336
    Yesterday, 09:42 PM Go to last post
  3. speedometer quit working

    Started by peoplevsme, 05-28-2015 10:35 AM
    • Replies: 10
    • Views: 213
    05-28-2015, 09:10 PM Go to last post
  4. 2008 Turbo Replacement

    Started by jcristo40, 05-28-2015 08:56 AM
    • Replies: 2
    • Views: 136
    zax
    05-28-2015, 12:16 PM Go to last post
  5. TGV Deletes easy install 30 hp 27 torque gains

    Started by ApplesWRX, 05-28-2015 06:17 AM
    • Replies: 7
    • Views: 183
    05-28-2015, 10:18 AM Go to last post
  6. 02 Subaru wrx

    Started by alexander04, 05-28-2015 08:27 AM
    • Replies: 1
    • Views: 109
    05-28-2015, 09:07 AM Go to last post
    • Replies: 8
    • Views: 206
    zax
    05-28-2015, 08:32 AM Go to last post
  7. AEM Boost Gauge and Air/Fuel Ratio!

    Started by JasonLevinson1, 05-26-2015 10:16 PM
    • Replies: 2
    • Views: 148
    05-27-2015, 11:21 AM Go to last post
  8. Vf 39 turbo swap

    Started by Hayl07, 05-26-2015 03:09 PM
    • Replies: 5
    • Views: 159
    05-26-2015, 03:53 PM Go to last post
  9. 2002 wrx build

    Started by keiffer259, 05-25-2015 10:15 AM
    • Replies: 10
    • Views: 193
    05-26-2015, 11:13 AM Go to last post
    • Replies: 0
    • Views: 122
    05-26-2015, 08:22 AM Go to last post
  10. 02' wagon engine rebuild question, San Francisco

    Started by tha83, 05-18-2015 09:54 PM
    • Replies: 5
    • Views: 205
    05-25-2015, 10:56 PM Go to last post
  11. Charge pipe worth it?

    Started by SubiNub, 05-25-2015 10:25 AM
    • Replies: 0
    • Views: 142
    05-25-2015, 10:25 AM Go to last post
  12. Equal length vs. Un-equal Length Headers

    Started by commbubba19, 03-14-2013 02:25 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 9,866
    05-25-2015, 06:12 AM Go to last post
  13. New 15 Wrx

    Started by AFCovault08, 05-23-2015 05:05 PM
    • Replies: 9
    • Views: 312
    05-24-2015, 07:08 AM Go to last post
  14. What rods to get?

    Started by frenziedcage, 05-23-2015 05:45 PM
    • Replies: 1
    • Views: 133
    05-23-2015, 09:33 PM Go to last post
  15. 1st Mod questions

    Started by Exhale, 05-22-2015 12:17 PM
    • Replies: 14
    • Views: 425
    05-23-2015, 10:41 AM Go to last post
  16. Question about chipping

    Started by BrosBeforeHossa, 05-22-2015 07:02 PM
    • Replies: 13
    • Views: 256
    05-23-2015, 03:38 AM Go to last post
  17. Cat or no cat

    Started by Raul_wrx, 05-20-2015 07:58 AM
    • Replies: 4
    • Views: 290
    05-21-2015, 05:33 AM Go to last post
  18. Cobb downpipe "ebay" exhaust?

    Started by 4eat05, 05-14-2015 08:43 AM
    • Replies: 9
    • Views: 363
    05-20-2015, 02:04 PM Go to last post
  19. Emissions in UT on 2006 WRX

    Started by thatniglayne, 05-15-2015 03:10 PM
    • Replies: 11
    • Views: 267
    05-19-2015, 02:46 PM Go to last post
  20. First engine mod

    Started by SuBiJoE, 05-16-2015 11:28 AM
    • Replies: 9
    • Views: 390
    05-19-2015, 12:14 PM Go to last post
  21. iam stuck! (exhuast choice)

    Started by TonyWRX15, 05-19-2015 04:14 AM
    • Replies: 4
    • Views: 190
    05-19-2015, 04:28 AM Go to last post
  22. Is a downpipe worth it?

    Started by withoutt, 05-18-2015 06:21 AM
    • Replies: 7
    • Views: 325
    05-18-2015, 12:50 PM Go to last post
  23. Poll Poll: 2015 WRX WR Blue First Mods HELP ASAP!!!!

    Started by magasiev13, 05-14-2015 10:23 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 848
    05-16-2015, 10:36 PM Go to last post
  24. BOV bolt thread stripped, RTV gasket? any help

    Started by substi555, 05-16-2015 05:23 PM
    • Replies: 3
    • Views: 189
    05-16-2015, 07:53 PM Go to last post
  25. Up to 17psi Max Boost on WRX!

    Started by mustanges, 02-04-2004 05:15 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 7,627
    05-15-2015, 10:01 PM Go to last post
  26. AEM CAI vs COBB SF Intake with air box

    Started by xaviershady, 05-15-2015 01:33 PM
    • Replies: 1
    • Views: 180
    zax
    05-15-2015, 01:39 PM Go to last post
  27. Invidia q300

    Started by Raul_wrx, 05-14-2015 01:03 PM
    • Replies: 14
    • Views: 343
    05-15-2015, 06:58 AM Go to last post
  28. 2015 WRX - Milk Jug Delete?

    Started by wrxatx, 09-12-2014 09:08 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 8,703
    05-14-2015, 08:27 PM Go to last post
  29. Intake without tune

    Started by nevesseven, 01-04-2015 11:36 AM
    2 Pages
    1 2
    • Replies: 28
    • Views: 1,587
    05-14-2015, 05:49 PM Go to last post
    • Replies: 0
    • Views: 206
    05-13-2015, 05:19 PM Go to last post
  30. Oil Change Question . HELP.

    Started by wrxzeek, 05-10-2015 07:18 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 726
    05-12-2015, 06:53 PM Go to last post
  31. 2015 intercooler vs 2014

    Started by svtfever, 05-10-2015 12:56 PM
    • Replies: 9
    • Views: 360
    05-12-2015, 01:33 PM Go to last post
  32. Stage 2????

    Started by Raul_wrx, 05-11-2015 07:39 PM
    • Replies: 3
    • Views: 437
    05-11-2015, 07:52 PM Go to last post

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