Engine Modifications
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Threads 1 to 35 of 93

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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    • Threads: 48
    • Posts: 679

    Last Post:

    O2 sensor drama Go to last post

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    05-29-2014, 03:29 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
    789 Pages
    1 2 3 4 5 ... 789
    • Replies: 11,831
    • Views: 878,150
    Yesterday, 10:16 AM Go to last post
  2. Sticky Thread Sticky: Exhaust FAQ

    Started by EJ257, 03-30-2010 03:30 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 117
    • Views: 46,424
    10-21-2014, 01:41 PM Go to last post
  3. 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: 92
    • Views: 38,141
    10-03-2014, 10:26 AM 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: 122
    • Views: 44,605
    zax
    08-11-2014, 08:30 AM Go to last post
  5. 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: 197
    • Views: 119,350
    07-20-2014, 06:02 AM Go to last post
  6. 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: 555
    • Views: 345,671
    06-27-2014, 01:38 PM Go to last post
  7. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 08:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 30,891
    01-22-2014, 06:56 PM Go to last post
  8. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 5,996
    zax
    07-19-2013, 08:13 AM Go to last post
  9. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 5,375
    04-09-2013, 09:07 PM Go to last post
  10. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 5
    • Views: 11,855
    02-15-2013, 08:25 AM 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: 3,604
    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
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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 05:35 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 85
    • Views: 25,278
    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: 20,346
    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: 13,157
    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: 87,723
    09-29-2004, 09:25 PM Go to last post
  1. Exhaust question

    Started by Marl's Rex, 10-20-2014 05:31 PM
    • Replies: 14
    • Views: 304
    Yesterday, 09:04 PM Go to last post
  2. Cats question

    Started by Rugg3r, Yesterday 03:38 PM
    • Replies: 9
    • Views: 144
    Yesterday, 06:47 PM Go to last post
  3. Installing SPT Exhaust

    Started by SHAWN_7, 10-21-2014 03:51 PM
    • Replies: 9
    • Views: 186
    Yesterday, 04:54 PM Go to last post
    • Replies: 10
    • Views: 213
    Yesterday, 12:32 PM Go to last post
  4. A favour to ask...

    Started by CrazyCanuck, Yesterday 10:18 AM
    • Replies: 0
    • Views: 67
    Yesterday, 10:18 AM Go to last post
  5. Moved: Plumback or VTA BOV

    Started by Glovesy, Yesterday 04:03 AM
    •  
    •  
    • Replies: 12
    • Views: 216
    Yesterday, 12:01 AM Go to last post
  6. Injector Installation Questions

    Started by MisterNBG, 10-23-2014 12:55 PM
    • Replies: 4
    • Views: 90
    10-23-2014, 02:46 PM Go to last post
  7. Exhaust Sound Issues

    Started by Deanf2, 10-23-2014 09:14 AM
    • Replies: 3
    • Views: 97
    10-23-2014, 11:37 AM Go to last post
  8. Cold Air Intake help

    Started by Connor559, 10-17-2014 10:50 PM
    • Replies: 14
    • Views: 294
    10-23-2014, 10:38 AM Go to last post
  9. Advice please

    Started by Abarrios528, 10-22-2014 09:12 PM
    • Replies: 11
    • Views: 240
    10-23-2014, 10:05 AM Go to last post
  10. stage 1 review

    Started by nsibanez, 10-18-2014 10:39 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 449
    10-22-2014, 11:42 PM Go to last post
  11. Question Little or no boost :/

    Started by mikeicke93, 08-07-2014 10:09 PM
    12 Pages
    1 2 3 4 5 ... 12
    • Replies: 165
    • Views: 2,963
    10-22-2014, 06:22 PM Go to last post
  12. Resonator delete or muffler delete.

    Started by wrxulf, 10-15-2014 05:55 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 320
    10-22-2014, 05:56 PM Go to last post
  13. Muffler advice for 2002 WRX

    Started by jestr, 10-21-2014 06:22 AM
    • Replies: 6
    • Views: 123
    10-22-2014, 03:07 PM Go to last post
  14. 08 wrx intake silencer delete

    Started by 08SubieWrx, 05-18-2008 09:03 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 10,670
    10-22-2014, 09:52 AM Go to last post
    • Replies: 5
    • Views: 200
    10-21-2014, 08:19 PM Go to last post
  15. tomioka racing down pipe any good?

    Started by Dom_AD, 10-18-2014 09:19 AM
    • Replies: 3
    • Views: 183
    10-21-2014, 06:57 PM Go to last post
  16. Talking DP question

    Started by Brandi, 10-17-2014 12:41 AM
    • Replies: 9
    • Views: 251
    10-21-2014, 12:56 PM Go to last post
  17. 2009 5-door WRX SPT CBE Exhaust gasket needed

    Started by jamie007, 10-20-2014 10:56 AM
    • Replies: 3
    • Views: 88
    10-20-2014, 03:20 PM Go to last post
  18. Stage 1 Check engine light

    Started by williedibo, 10-19-2014 01:36 PM
    • Replies: 2
    • Views: 162
    10-19-2014, 01:45 PM Go to last post
  19. replacing ecm

    Started by matty0426, 10-19-2014 04:21 AM
    • Replies: 3
    • Views: 138
    10-19-2014, 01:26 PM Go to last post
  20. STi intercooler fitment

    Started by Bak3rSkat3r, 09-21-2014 04:01 PM
    • Replies: 3
    • Views: 306
    10-17-2014, 08:43 PM Go to last post
  21. Gas mileage modifications???

    Started by AOmagman78, 05-28-2008 07:38 AM
    5 Pages
    1 2 3 4 5
    • Replies: 62
    • Views: 17,172
    10-16-2014, 08:05 PM Go to last post
  22. FMIC vs TMIC

    Started by WRXilie, 10-08-2014 12:06 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 573
    10-16-2014, 09:25 AM Go to last post
  23. Order of modifications...

    Started by jcerillo70, 10-14-2014 10:54 AM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 782
    10-15-2014, 01:23 PM Go to last post
  24. Post Spark Plugs

    Started by damiansadlowski, 10-15-2014 08:17 AM
    • Replies: 7
    • Views: 226
    10-15-2014, 12:29 PM Go to last post
  25. Bov flutter

    Started by Z31_2011, 10-15-2014 02:48 AM
    • Replies: 11
    • Views: 185
    10-15-2014, 05:38 AM Go to last post
  26. need help identifying mods

    Started by randomusername, 08-22-2014 06:46 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 875
    10-13-2014, 06:30 AM Go to last post
  27. Ej255 swap harness

    Started by rigsk, 10-11-2014 03:08 PM
    • Replies: 1
    • Views: 120
    10-12-2014, 05:27 PM Go to last post
  28. 08 wrx exhaust help!

    Started by wrx_hatch, 10-07-2014 01:23 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 448
    10-10-2014, 02:44 PM Go to last post
  29. 2015 WRX Mishimoto or ETS intake

    Started by wrxedd, 10-07-2014 11:54 AM
    2 Pages
    1 2
    • Replies: 28
    • Views: 962
    10-10-2014, 12:08 PM Go to last post
  30. 08 wrx owner accessport help please!

    Started by Dunbar3207, 10-08-2014 07:34 PM
    • Replies: 7
    • Views: 219
    10-09-2014, 01:57 PM Go to last post
  31. 2004 WRX Turbo Upgrade, EWG, EBCS, etc...

    Started by MisterNBG, 10-08-2014 09:05 PM
    • Replies: 1
    • Views: 177
    zax
    10-09-2014, 06:25 AM Go to last post
    • Replies: 5
    • Views: 184
    MTM
    10-08-2014, 01:05 PM Go to last post

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