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: 49
    • Posts: 691

    Last Post:

    High Altitude Tuning Go to last post

    03-01-2017, 11:52 AM

  1. Sticky Thread Sticky: "The BIG BOV thread" (Where all bov question threads get merged)

    Started by p7r4e7y, 05-21-2001 07:34 AM
    798 Pages
    1 2 3 4 5 ... 798
    • Replies: 11,960
    • Views: 1,142,151
    01-25-2017, 02:02 PM Go to last post
  2. Sticky Thread Sticky: Exhaust Video/Sound Clips

    Started by TurnWRX, 03-29-2004 10:37 PM
    39 Pages
    1 2 3 4 5 ... 39
    • Replies: 572
    • Views: 404,948
    04-16-2017, 10:16 AM Go to last post
  3. 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: 270,403
    11-24-2015, 08:58 PM Go to last post
  4. Sticky Thread Sticky: Exhaust FAQ

    Started by EJ257, 03-30-2010 03:30 PM
    11 Pages
    1 2 3 4 5 ... 11
    • Replies: 161
    • Views: 84,814
    01-09-2017, 12:03 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: 75,934
    02-12-2015, 03:16 AM Go to last post
  6. 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: 96
    • Views: 78,464
    01-18-2017, 08:23 PM Go to last post
  7. 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: 31,061
    01-02-2011, 02:58 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: 50,437
    01-22-2014, 06:56 PM Go to last post
  9. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 15,764
    08-12-2007, 04:41 PM Go to last post
  10. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 21,304
    01-10-2015, 09:47 AM Go to last post
  11. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 16,030
    zax
    07-19-2013, 08:13 AM Go to last post
  12. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 06:59 PM
    • Replies: 1
    • Views: 101,050
    09-29-2004, 09:25 PM Go to last post
  13. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 01:51 PM
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  14. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 7,645
    zax
    11-20-2012, 01:57 PM Go to last post
  15. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 26,962
    09-27-2009, 06:51 AM Go to last post
  16. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 11,557
    04-09-2013, 09:07 PM Go to last post
  1. Engine failure Cobb AP and big SF intake

    Started by Golds318, 03-18-2017 12:12 PM
    3 Pages
    1 2 3
    • Replies: 42
    • Views: 1,430
    03-27-2017, 09:30 AM Go to last post
  2. Is a K&N air filter worth it?

    Started by shawncmil, 02-03-2002 02:34 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 11,947
    Yesterday, 12:38 PM Go to last post
  3. 2017 wrx mods and thoughts

    Started by BbqDude16, 01-04-2017 09:21 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 2,743
    04-07-2017, 05:28 PM Go to last post
  4. Need opinions - DAM fluctuating

    Started by 1badtie, 04-15-2017 03:01 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 419
    04-21-2017, 07:25 PM Go to last post
  5. External Wastegate

    Started by tuapola93, 04-21-2017 05:22 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 266
    Today, 05:28 AM Go to last post
  6. Getting the most from stock exhaust

    Started by ZFleish7, 03-22-2017 02:25 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 482
    03-24-2017, 09:08 AM Go to last post
  7. 2016+ STI's - Still have Pitch Stop Brace issues?

    Started by archon, 03-16-2017 01:21 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 390
    03-21-2017, 06:43 AM Go to last post
  8. 2012 STI Mod Path

    Started by Tielur, 03-16-2017 03:53 PM
    • Replies: 13
    • Views: 343
    03-19-2017, 12:37 AM Go to last post
  9. MAF Sensor Problem Car Wont Start

    Started by frenziedcage, 03-22-2017 05:29 PM
    • Replies: 13
    • Views: 268
    03-23-2017, 08:13 AM Go to last post
    • Replies: 12
    • Views: 456
    04-13-2017, 08:12 AM Go to last post
    • Replies: 10
    • Views: 237
    04-11-2017, 12:28 PM Go to last post
  10. Red face TGV Delete on 2016 WRX

    Started by ehenoy, 04-07-2017 10:53 PM
    • Replies: 10
    • Views: 257
    04-09-2017, 02:13 PM Go to last post
  11. TBE questions.

    Started by ike206, 03-25-2017 01:00 PM
    • Replies: 10
    • Views: 251
    03-29-2017, 10:09 PM Go to last post
  12. Boost creep

    Started by Alix_WRX, 04-04-2017 10:13 PM
    • Replies: 9
    • Views: 212
    04-05-2017, 11:34 AM Go to last post
  13. What do I need to go stage 1?

    Started by RileyKirk, 04-22-2017 12:37 PM
    • Replies: 9
    • Views: 241
    Yesterday, 01:05 PM Go to last post
  14. Why is my car so quiet?

    Started by jimbobborg, 04-11-2017 09:19 AM
    • Replies: 8
    • Views: 269
    04-12-2017, 12:02 PM Go to last post
  15. 2015+ WRX Unequal Length Headers... HELP

    Started by ZFleish7, 03-13-2017 08:44 AM
    • Replies: 8
    • Views: 396
    03-13-2017, 06:41 PM Go to last post
    • Replies: 7
    • Views: 161
    04-12-2017, 11:48 AM Go to last post
  16. 2013 WRX Stage 2 help

    Started by Alix_WRX, 03-07-2017 03:36 AM
    • Replies: 7
    • Views: 290
    04-04-2017, 10:09 PM Go to last post
    • Replies: 7
    • Views: 253
    04-02-2017, 02:12 PM Go to last post
    • Replies: 6
    • Views: 265
    Yesterday, 10:53 PM Go to last post
  17. Break in Oil (Engine Rebuild)

    Started by Alix_WRX, 03-15-2017 02:17 AM
    • Replies: 6
    • Views: 192
    03-15-2017, 06:36 PM Go to last post
  18. my car runs rich

    Started by wasta2424, 04-09-2017 01:20 AM
    • Replies: 6
    • Views: 213
    04-10-2017, 11:19 AM Go to last post
  19. Valve control Exhaust - LOUD V. Silent

    Started by amjadrahim, 04-16-2017 10:20 AM
    • Replies: 6
    • Views: 180
    04-17-2017, 08:39 AM Go to last post
  20. MAPerformance Stage 1 - 91 Oct

    Started by wg_okc, 03-29-2017 04:59 PM
    • Replies: 5
    • Views: 265
    03-29-2017, 07:15 PM Go to last post
  21. Head gaskets

    Started by gabeapp, 03-27-2017 08:56 AM
    • Replies: 5
    • Views: 192
    03-28-2017, 07:45 AM Go to last post
  22. Running 3 inch dp with stock exhaust.

    Started by ike206, 03-27-2017 09:55 AM
    • Replies: 5
    • Views: 202
    03-27-2017, 01:14 PM Go to last post
  23. Exclamation are my turbo seals failing?

    Started by Coltonjones12, 03-24-2017 03:30 PM
    • Replies: 3
    • Views: 138
    03-25-2017, 12:32 AM Go to last post
    • Replies: 3
    • Views: 130
    04-13-2017, 02:34 PM Go to last post
    • Replies: 3
    • Views: 188
    04-13-2017, 10:40 AM Go to last post
  24. Looking for a tuning shop in the New Hampshire area

    Started by ike206, 04-13-2017 12:17 PM
    • Replies: 3
    • Views: 151
    04-17-2017, 10:01 AM Go to last post
  25. 2015 + Spec-D exhuast ?

    Started by SubimikeWRX, 04-11-2017 01:55 AM
    • Replies: 3
    • Views: 174
    04-11-2017, 11:06 PM Go to last post
  26. 07 wrx turbo upgrade

    Started by nyhifihead, 03-29-2017 12:03 PM
    • Replies: 3
    • Views: 153
    03-29-2017, 07:00 PM Go to last post
    • Replies: 2
    • Views: 213
    03-21-2017, 03:19 PM Go to last post
  27. Poll Poll: 15 wrx invidia n1 race vs tomei expreme cbe

    Started by frognogx443, 04-09-2017 08:17 PM
    • Replies: 2
    • Views: 172
    04-10-2017, 01:42 PM Go to last post

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