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: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 15,728
    08-12-2007, 04:41 PM Go to last post
  2. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 21,174
    01-10-2015, 09:47 AM Go to last post
  3. 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: 75,579
    02-12-2015, 03:16 AM Go to last post
  4. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 06:59 PM
    • Replies: 1
    • Views: 100,861
    09-29-2004, 09:25 PM Go to last post
  5. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 11,494
    04-09-2013, 09:07 PM Go to last post
  6. 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: 84,269
    01-09-2017, 12:03 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: 50,196
    01-22-2014, 06:56 PM Go to last post
  8. 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: 266,339
    11-24-2015, 08:58 PM Go to last post
  9. 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: 1,138,245
    01-25-2017, 02:02 PM Go to last post
  10. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 15,911
    zax
    07-19-2013, 08:13 AM Go to last post
  11. 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: 77,672
    01-18-2017, 08:23 PM Go to last post
  12. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 26,831
    09-27-2009, 06:51 AM Go to last post
  13. 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: 571
    • Views: 404,342
    03-08-2017, 04:51 PM Go to last post
  14. 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: 30,979
    01-02-2011, 02:58 PM Go to last post
  15. Sticky Thread Moved: BIG Intake Manifold FAQ!

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

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 7,621
    zax
    11-20-2012, 01:57 PM Go to last post
    • Replies: 9
    • Views: 218
    zax
    02-25-2017, 05:39 PM Go to last post
  1. 2002 "built" WRX , Scoobie Newbie

    Started by ajovel, 02-14-2017 09:48 AM
    • Replies: 1
    • Views: 195
    02-14-2017, 01:01 PM Go to last post
  2. Break in Oil (Engine Rebuild)

    Started by Alix_WRX, 03-15-2017 02:17 AM
    • Replies: 6
    • Views: 156
    03-15-2017, 06:36 PM Go to last post
  3. 2013 WRX Stage 2 help

    Started by Alix_WRX, 03-07-2017 03:36 AM
    • Replies: 5
    • Views: 191
    03-13-2017, 06:39 PM Go to last post
  4. Help installing invidia q300 on wrx

    Started by arcadian9, 02-23-2017 12:41 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 350
    03-07-2017, 03:02 AM Go to last post
  5. California + COBB, tune for emissions?

    Started by archon, 03-06-2017 02:02 PM
    • Replies: 6
    • Views: 169
    03-06-2017, 03:24 PM Go to last post
  6. 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: 333
    03-21-2017, 06:43 AM Go to last post
  7. 2011 wrx "stage 2" power loss/surge problem

    Started by badbet, 02-27-2017 07:25 AM
    • Replies: 9
    • Views: 234
    02-28-2017, 09:48 AM Go to last post
  8. 2017 wrx mods and thoughts

    Started by BbqDude16, 01-04-2017 09:21 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,973
    03-04-2017, 02:12 PM Go to last post
  9. Exhaust Systems?

    Started by BigBoiFuller, 02-26-2017 05:44 PM
    • Replies: 13
    • Views: 356
    03-08-2017, 06:33 PM Go to last post
  10. Obd code P0420

    Started by boone1186, 05-31-2012 06:07 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 7,299
    02-24-2017, 09:48 AM Go to last post
  11. Do I need to get a dyno tune?

    Started by Brutal_Boost, 02-18-2017 08:03 AM
    • Replies: 5
    • Views: 218
    02-18-2017, 09:25 AM Go to last post
  12. Impreza STi engine swap

    Started by Chase7687, 02-26-2017 12:25 PM
    • Replies: 2
    • Views: 137
    02-26-2017, 12:57 PM Go to last post
  13. Exclamation are my turbo seals failing?

    Started by Coltonjones12, 03-24-2017 03:30 PM
    • Replies: 3
    • Views: 116
    03-25-2017, 12:32 AM Go to last post
  14. do i need a new turbo??!!

    Started by Coltonjones12, 03-24-2017 05:09 PM
    • Replies: 0
    • Views: 112
    03-24-2017, 05:09 PM Go to last post
    • Replies: 1
    • Views: 115
    03-03-2017, 04:41 PM Go to last post
  15. MAF Sensor Problem Car Wont Start

    Started by frenziedcage, 03-22-2017 05:29 PM
    • Replies: 13
    • Views: 222
    03-23-2017, 08:13 AM Go to last post
  16. Map Sensor Recommendations

    Started by frenziedcage, 02-25-2017 06:17 PM
    • Replies: 0
    • Views: 119
    02-25-2017, 06:17 PM Go to last post
  17. Head gaskets

    Started by gabeapp, Yesterday 08:56 AM
    • Replies: 5
    • Views: 143
    Today, 07:45 AM Go to last post
  18. Question Finding Shavings in Oil

    Started by GadFly, 03-07-2017 02:58 PM
    • Replies: 9
    • Views: 234
    03-08-2017, 06:45 PM Go to last post
  19. Delicious Stage 1 Tune 2015/16 WRX

    Started by gnormand9, 02-23-2017 11:22 AM
    • Replies: 1
    • Views: 207
    02-26-2017, 10:52 AM Go to last post
  20. COBB AP and Cobb intake help

    Started by Golds318, 03-09-2017 09:35 AM
    • Replies: 7
    • Views: 228
    zax
    03-09-2017, 03:02 PM Go to last post
  21. 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: 1,056
    Yesterday, 09:30 AM Go to last post
    • Replies: 0
    • Views: 185
    03-05-2017, 02:22 PM Go to last post
  22. Running 3 inch dp with stock exhaust.

    Started by ike206, Yesterday 09:55 AM
    • Replies: 5
    • Views: 147
    Yesterday, 01:14 PM Go to last post
  23. TBE questions.

    Started by ike206, 03-25-2017 01:00 PM
    • Replies: 9
    • Views: 185
    03-26-2017, 12:23 PM Go to last post
    • Replies: 6
    • Views: 256
    03-21-2017, 07:49 AM Go to last post
  24. Turbo info needed

    Started by Jgibs, 02-17-2017 04:51 PM
    • Replies: 0
    • Views: 140
    02-17-2017, 04:51 PM Go to last post
  25. GS EWG bracket fitment

    Started by Jhill15sti, 03-23-2017 10:40 AM
    • Replies: 1
    • Views: 107
    03-23-2017, 01:16 PM Go to last post
  26. Valve Job 2006 WRX

    Started by jms70wrx, 02-25-2017 07:51 AM
    • Replies: 5
    • Views: 143
    02-28-2017, 05:45 PM Go to last post
    • Replies: 2
    • Views: 158
    03-21-2017, 03:19 PM Go to last post
  27. Will 2008-2014 invidia n1 fit 2015+??

    Started by Pheared307, 02-07-2017 08:25 PM
    • Replies: 4
    • Views: 191
    02-21-2017, 11:24 AM Go to last post
    • Replies: 6
    • Views: 193
    02-27-2017, 07:11 AM Go to last post
    • Replies: 5
    • Views: 189
    03-07-2017, 12:36 PM Go to last post
  28. Subaru wrx/ sti motor swap list

    Started by SpikeyMikey, 03-20-2017 10:32 PM
    • Replies: 2
    • Views: 104
    03-21-2017, 01:45 PM Go to last post

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