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

    Forum Actions:

    Forum Statistics:

    • Threads: 49
    • Posts: 687

    Last Post:

    Car stalling? Go to last post

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    06-26-2016, 10:23 PM

  1. Sticky Thread Sticky: Exhaust FAQ

    Started by EJ257, 03-30-2010 03:30 PM
    11 Pages
    1 2 3 4 5 ... 11
    • Replies: 151
    • Views: 80,619
    09-12-2016, 03:03 PM Go to last post
  2. Sticky Thread Sticky: "The BIG BOV thread" (Where all bov question threads get merged)

    Started by p7r4e7y, 05-21-2001 07:34 AM
    797 Pages
    1 2 3 4 5 ... 797
    • Replies: 11,954
    • Views: 1,099,797
    09-09-2016, 05:20 AM 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: 569
    • Views: 400,092
    08-25-2016, 09:58 PM Go to last post
  4. Sticky Thread Sticky: First Modifications - what to do and not to do

    Started by mycologist, 01-25-2010 08:05 PM
    16 Pages
    1 2 3 4 5 ... 16
    • Replies: 235
    • Views: 239,571
    11-24-2015, 08:58 PM Go to last post
  5. 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: 71,108
    05-11-2015, 12:33 PM Go to last post
  6. 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: 72,969
    02-12-2015, 03:16 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: 19,998
    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: 48,282
    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: 14,879
    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: 10,982
    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: 7,390
    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: 30,407
    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: 26,102
    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: 15,439
    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: 98,794
    09-29-2004, 09:25 PM Go to last post
  1. 2016 WRX - MAPerformance Turboback Review

    Started by B0Osted16rex, 09-21-2016 12:46 PM
    • Replies: 5
    • Views: 199
    Yesterday, 03:17 PM Go to last post
  2. 2017 WRX Cobb Accessport

    Started by AceVL, 08-04-2016 09:17 AM
    4 Pages
    1 2 3 4
    • Replies: 58
    • Views: 2,378
    09-23-2016, 07:33 PM Go to last post
  3. Exedy Lightweight Flywheel or Naw?

    Started by Boobaru05WRX, 09-23-2016 04:14 PM
    • Replies: 1
    • Views: 91
    09-23-2016, 05:48 PM Go to last post
  4. 2017 WRX COBB AccessPort Now For Sale

    Started by 4EverMetal, 09-22-2016 12:33 PM
    • Replies: 0
    • Views: 103
    09-22-2016, 12:33 PM Go to last post
    • Replies: 6
    • Views: 165
    09-22-2016, 09:21 AM Go to last post
  5. $Cost to make reliable 400 whp 2017 STI?

    Started by TheZman, 09-20-2016 03:55 AM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 690
    09-21-2016, 09:55 PM Go to last post
  6. Question Tuning Required for Uppipe?

    Started by mitchgaglione, 09-20-2016 10:11 AM
    • Replies: 1
    • Views: 119
    09-20-2016, 11:49 AM Go to last post
  7. Question Worth selling a used OEM turbo?

    Started by coloradowrx, 09-19-2016 01:22 PM
    • Replies: 3
    • Views: 177
    09-20-2016, 08:19 AM Go to last post
  8. Need help identifying exhaust on 06 WRX

    Started by PiggyPlop, 09-17-2016 10:18 AM
    • Replies: 10
    • Views: 182
    09-17-2016, 11:51 AM Go to last post
  9. Oil catch can for 2016 WRX?

    Started by breckiam, 09-14-2016 11:21 AM
    • Replies: 6
    • Views: 185
    09-15-2016, 01:38 PM Go to last post
  10. Mod List and Suggestions

    Started by Cschubert117, 09-11-2016 02:40 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 399
    09-15-2016, 01:32 PM Go to last post
  11. Can anyone identify this Downpipe?

    Started by Jsauer, 09-14-2016 10:28 AM
    • Replies: 0
    • Views: 114
    09-14-2016, 10:28 AM Go to last post
  12. 2015-17 WRX Exhaust Backfire

    Started by jacksonmorris29, 08-25-2016 02:16 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 631
    09-12-2016, 07:11 AM Go to last post
  13. Arrow Bone stock 2015 WRX dyno results

    Started by striktlysubie, 09-04-2016 04:17 AM
    • Replies: 3
    • Views: 292
    09-10-2016, 07:19 PM Go to last post
  14. 04 wrx with catless uppipe from factory?

    Started by Daviddawe1982, 09-09-2016 07:16 PM
    • Replies: 4
    • Views: 133
    09-10-2016, 05:42 PM Go to last post
    • Replies: 6
    • Views: 168
    09-10-2016, 04:12 PM Go to last post
  15. 2004 wrx idle rpm

    Started by cj28000, 09-09-2016 06:29 PM
    • Replies: 6
    • Views: 118
    zax
    09-09-2016, 09:36 PM Go to last post
  16. Wanting to remove the Rev limiter

    Started by jacksonmorris29, 09-05-2016 04:11 PM
    • Replies: 14
    • Views: 295
    09-06-2016, 02:52 PM Go to last post
  17. 2015 Wrx intake

    Started by marlboro, 07-23-2014 12:03 PM
    • Replies: 12
    • Views: 16,830
    09-06-2016, 07:15 AM Go to last post
  18. 2009 WRX Engine rebuild. Thrown rod.

    Started by apletan27, 09-04-2016 07:33 PM
    • Replies: 14
    • Views: 231
    09-05-2016, 01:37 PM Go to last post
    • Replies: 5
    • Views: 177
    zax
    09-05-2016, 08:23 AM Go to last post
  19. Moved: BOV questions

    Started by ike206, 09-04-2016 06:49 PM
    •  
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  20. 2011 WRX Stage 2 + I need more power! What am I missing?

    Started by SPT2011, 02-06-2012 10:44 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 120
    • Views: 50,250
    09-03-2016, 08:27 PM Go to last post
  21. Hp gains for 2017 wrx

    Started by Coopaloop2121, 09-03-2016 09:52 AM
    • Replies: 3
    • Views: 259
    zax
    09-03-2016, 04:53 PM Go to last post
  22. Self Installing Bolt-On Mods

    Started by T-WRXed, 09-01-2016 01:34 PM
    • Replies: 6
    • Views: 326
    09-02-2016, 08:36 PM Go to last post
  23. 2017 top 3 mods?

    Started by zibbiz, 09-02-2016 10:13 AM
    • Replies: 9
    • Views: 489
    09-02-2016, 06:34 PM Go to last post
  24. 2017 WRX

    Started by Joseph199994, 08-31-2016 07:51 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 613
    09-02-2016, 12:02 PM Go to last post
  25. Up-pipe / EWG Install 2.5L - Any suggestions

    Started by Heide264, 05-05-2012 10:37 PM
    • Replies: 10
    • Views: 6,360
    08-27-2016, 06:53 PM Go to last post
  26. Oil catch can?

    Started by Hankscorpio, 04-19-2016 06:25 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 962
    08-27-2016, 06:05 PM Go to last post
  27. Reflash ECU harness!?!?

    Started by RickySTI, 08-27-2016 04:40 PM
    • Replies: 2
    • Views: 164
    08-27-2016, 06:04 PM Go to last post
  28. Intercooler!!??

    Started by RickySTI, 08-26-2016 10:27 AM
    • Replies: 3
    • Views: 177
    08-26-2016, 10:53 AM Go to last post
  29. Tunes

    Started by yuyumonk, 08-25-2016 11:11 AM
    • Replies: 6
    • Views: 237
    08-25-2016, 03:33 PM Go to last post
    • Replies: 43
    • Views: 39,763
    08-25-2016, 01:47 PM Go to last post
  30. HKS Legamax

    Started by skrub., 08-24-2016 07:52 PM
    • Replies: 0
    • Views: 138
    08-24-2016, 07:52 PM Go to last post
  31. stock 02. turbo replacement

    Started by 02Skrrrt, 08-23-2016 12:55 AM
    • Replies: 8
    • Views: 196
    08-23-2016, 11:55 AM Go to last post

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