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: "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: 947,277
    04-21-2015, 11:59 AM Go to last post
  2. Sticky Thread Sticky: First Modifications - what to do and not to do

    Started by mycologist, 01-25-2010 08:05 PM
    14 Pages
    1 2 3 4 5 ... 14
    • Replies: 208
    • Views: 147,092
    03-29-2015, 01:45 PM Go to last post
  3. 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: 359,952
    03-22-2015, 03:35 PM Go to last post
  4. 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: 54,150
    02-12-2015, 03:16 AM Go to last post
  5. 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: 57,209
    01-15-2015, 09:17 AM Go to last post
  6. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 14,343
    01-10-2015, 09:47 AM Go to last post
  7. 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: 93
    • Views: 47,321
    12-09-2014, 03:43 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: 36,027
    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: 8,721
    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: 7,225
    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: 4,873
    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: 27,575
    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: 22,159
    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: 14,054
    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: 90,719
    09-29-2004, 09:25 PM Go to last post
  1. BOV stopped working after hitting max boost

    Started by DERKADERKA, Yesterday 10:00 PM
    • Replies: 3
    • Views: 54
    Yesterday, 10:09 PM Go to last post
  2. First Post

    Started by childishthing, 04-25-2015 05:48 PM
    • Replies: 3
    • Views: 167
    Yesterday, 08:15 PM Go to last post
  3. Exhaust install tips

    Started by ProZach626, Yesterday 02:12 PM
    • Replies: 6
    • Views: 162
    Yesterday, 06:13 PM Go to last post
    • Replies: 14
    • Views: 452
    Yesterday, 06:00 PM Go to last post
  4. TD05H-16G Turbo Question

    Started by bneedham, Yesterday 12:38 PM
    • Replies: 7
    • Views: 132
    zax
    Yesterday, 03:38 PM Go to last post
  5. intakes

    Started by keiffer259, 04-24-2015 03:26 PM
    • Replies: 5
    • Views: 222
    04-25-2015, 08:55 AM Go to last post
  6. Turbo Charger Question.

    Started by TooMuchSauce, 04-24-2015 09:43 PM
    • Replies: 2
    • Views: 146
    04-25-2015, 07:36 AM Go to last post
  7. Blown 06 WRX Engine Need information

    Started by zore, 04-23-2015 03:57 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 282
    zax
    04-24-2015, 02:13 PM Go to last post
  8. Process west verticooler or Grimmspeed tmic??

    Started by wrxzeek, 04-22-2015 08:04 AM
    • Replies: 5
    • Views: 227
    04-24-2015, 06:13 AM Go to last post
  9. Cobb ebcs

    Started by Sal.LV93, 04-23-2015 03:05 PM
    • Replies: 2
    • Views: 157
    04-23-2015, 08:00 PM Go to last post
  10. New (to me) WRX Blowing Smoke like a train

    Started by jkd12589, 04-02-2015 02:04 AM
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 149
    • Views: 2,883
    04-23-2015, 03:39 PM Go to last post
    • Replies: 11
    • Views: 417
    04-23-2015, 11:48 AM Go to last post
  11. 120K mile status report - Stock w/ Cobb Stage 1

    Started by goBoating, 04-14-2015 10:30 AM
    • Replies: 3
    • Views: 238
    04-23-2015, 05:43 AM Go to last post
  12. CAI Kit Questions

    Started by New09wrx, 04-23-2015 05:24 AM
    • Replies: 0
    • Views: 128
    04-23-2015, 05:24 AM Go to last post
  13. About to install an Invidia V2 downpipe

    Started by Sal.LV93, 04-21-2015 06:41 AM
    • Replies: 5
    • Views: 196
    04-23-2015, 04:28 AM Go to last post
  14. Cold air intake for 2015 WRX

    Started by Guywrx, 04-17-2015 03:29 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 565
    04-19-2015, 07:19 PM Go to last post
  15. Low compression Cylinder 4

    Started by scoobaru03, 04-18-2015 01:47 PM
    • Replies: 0
    • Views: 135
    04-18-2015, 01:47 PM Go to last post
  16. What First Mods?

    Started by GCrane, 04-12-2015 12:45 PM
    • Replies: 4
    • Views: 293
    04-18-2015, 10:41 AM Go to last post
  17. Can anyone tell me what downpipe this is?

    Started by jbreezy, 04-17-2015 04:11 PM
    • Replies: 4
    • Views: 195
    04-18-2015, 08:22 AM Go to last post
  18. How to make it to stage 2?

    Started by whiteboy720, 04-16-2015 07:49 PM
    • Replies: 6
    • Views: 458
    04-17-2015, 05:52 AM Go to last post
  19. 2015 WRX Exhaust Questions

    Started by Raven Logics, 04-11-2015 11:07 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 739
    04-16-2015, 10:53 AM Go to last post
  20. ProcessWest TMIC vs Grimspeed TMIC. 2013 WRX

    Started by TownLine500, 04-14-2015 11:51 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 624
    zax
    04-15-2015, 08:43 PM Go to last post
  21. Grimmspeed Downpipe Review

    Started by jbreezy, 04-15-2015 10:46 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 502
    04-15-2015, 08:20 PM Go to last post
  22. Just ordered a Process West TMIC (installed 9/4/2010)

    Started by Sasquatch, 08-26-2010 01:57 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 6,177
    04-15-2015, 05:40 PM Go to last post
  23. Forgged pistons?

    Started by Daltonp45, 04-14-2015 02:46 PM
    • Replies: 11
    • Views: 344
    04-15-2015, 05:05 PM Go to last post
  24. 2009 wrx knock sencer

    Started by theprodigy801, 04-15-2015 06:20 AM
    • Replies: 0
    • Views: 151
    04-15-2015, 06:20 AM Go to last post
  25. Thumbs up 2015 STI brakes swap with a 2015 WRX?

    Started by MY15WRBRex, 03-20-2015 09:27 AM
    • Replies: 8
    • Views: 496
    04-14-2015, 02:52 PM Go to last post
  26. 2015 WRX CVT fuel map

    Started by mhayes, 02-03-2015 12:30 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,496
    04-14-2015, 08:18 AM Go to last post
  27. Engine building queations

    Started by XJman, 04-13-2015 03:16 PM
    • Replies: 7
    • Views: 226
    04-13-2015, 06:37 PM Go to last post
  28. New engine suggest

    Started by CoCoTwrx, 04-12-2015 04:01 PM
    • Replies: 5
    • Views: 244
    04-13-2015, 12:20 PM Go to last post
  29. Noob Question: Need help with J-Pipes for FA20

    Started by DanaD3x, 02-27-2015 04:58 PM
    • Replies: 8
    • Views: 468
    zax
    04-13-2015, 09:52 AM Go to last post
  30. E85 fuel

    Started by CoCoTwrx, 04-11-2015 03:09 PM
    • Replies: 2
    • Views: 201
    04-12-2015, 02:36 PM Go to last post
  31. 2014 Hatch CBE in 2015 WRX

    Started by strudinox, 04-10-2015 10:15 PM
    • Replies: 6
    • Views: 246
    04-11-2015, 09:59 PM Go to last post
    • Replies: 8
    • Views: 565
    04-11-2015, 12:36 PM Go to last post
  32. questions about mods

    Started by theprodigy801, 04-05-2015 10:21 PM
    • Replies: 10
    • Views: 371
    04-09-2015, 11:28 AM Go to last post

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