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: 687

    Last Post:

    Car stalling? Go to last post

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    06-26-2016, 10:23 PM

  1. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 15,306
    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: 19,452
    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: 71,833
    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: 97,623
    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: 10,683
    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
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 140
    • Views: 78,604
    06-21-2016, 11:47 AM 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: 47,084
    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: 228,237
    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
    797 Pages
    1 2 3 4 5 ... 797
    • Replies: 11,943
    • Views: 1,083,791
    06-17-2016, 04:58 AM Go to last post
  10. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 14,307
    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: 94
    • Views: 68,901
    05-11-2015, 12:33 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: 25,686
    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
    38 Pages
    1 2 3 4 5 ... 38
    • Replies: 567
    • Views: 397,510
    11-20-2015, 08:28 AM 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: 30,109
    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: 7,261
    zax
    11-20-2012, 01:57 PM Go to last post
  1. Any one running e85 or a mixture?

    Started by breckiam, 06-15-2016 05:20 AM
    • Replies: 4
    • Views: 201
    06-15-2016, 08:50 PM Go to last post
  2. 2016 wrx big turbo question?

    Started by breckiam, 06-13-2016 10:31 AM
    • Replies: 7
    • Views: 356
    Yesterday, 08:56 PM Go to last post
  3. Post Performance upgrades?

    Started by Cbaur1, 05-15-2016 04:13 PM
    • Replies: 8
    • Views: 550
    06-01-2016, 01:49 PM Go to last post
  4. Thumbs down Up pipe without a tune? Epic fail.

    Started by coloradowrx, 06-21-2016 09:09 PM
    • Replies: 9
    • Views: 311
    06-22-2016, 03:25 PM Go to last post
  5. WRX 300+ WHP

    Started by Dwata808, 01-23-2014 02:28 PM
    • Replies: 11
    • Views: 1,425
    Yesterday, 03:49 PM Go to last post
  6. Should I upgrade my fuel system further

    Started by frenziedcage, 05-16-2016 05:49 PM
    • Replies: 2
    • Views: 164
    05-19-2016, 05:02 PM Go to last post
  7. V5 STI Swap into a 03 WRX

    Started by garrettcx, 05-19-2016 06:47 AM
    • Replies: 0
    • Views: 161
    05-19-2016, 06:47 AM Go to last post
  8. Oil filter for 2016 wrx 2.0

    Started by gta88ws6, 05-24-2016 08:24 AM
    • Replies: 5
    • Views: 186
    05-24-2016, 09:46 PM Go to last post
  9. First time WRX owner with exhaust questions

    Started by icopeland10, 06-02-2016 05:58 AM
    • Replies: 12
    • Views: 372
    06-03-2016, 01:24 PM Go to last post
  10. 2004 engine swap info needed

    Started by Jgibs, 05-27-2016 05:50 PM
    • Replies: 14
    • Views: 256
    06-01-2016, 08:52 PM Go to last post
  11. Cobb AP and big sf intake 16 wrx

    Started by Jude521, 06-15-2016 05:41 AM
    • Replies: 5
    • Views: 246
    06-15-2016, 08:51 PM Go to last post
  12. What exhaust do i get!!

    Started by Juliansti, 06-15-2016 08:29 AM
    • Replies: 4
    • Views: 274
    06-27-2016, 07:05 AM Go to last post
  13. Lightbulb 14 WRX flanges!!

    Started by Keeders08, 06-11-2016 02:07 PM
    • Replies: 1
    • Views: 146
    06-11-2016, 02:46 PM Go to last post
  14. Exhaust Mod 2013 Wrx Hatch

    Started by Mattman5399, 05-31-2016 02:11 PM
    • Replies: 4
    • Views: 180
    06-02-2016, 05:55 PM Go to last post
  15. 300 whp 2014 wrx

    Started by Me6er, 01-22-2014 05:52 PM
    • Replies: 13
    • Views: 3,270
    06-29-2016, 11:21 AM Go to last post
  16. Just Curious..

    Started by mjmwrx, 05-22-2016 10:42 AM
    • Replies: 13
    • Views: 314
    05-23-2016, 09:45 AM Go to last post
    • Replies: 9
    • Views: 397
    06-01-2016, 07:28 AM Go to last post
  17. Looking for exhaust with no drone

    Started by mrcodybrock, 05-19-2016 04:15 PM
    • Replies: 11
    • Views: 449
    06-09-2016, 01:49 PM Go to last post
  18. More questions on knock in 04 WRX

    Started by Muswagon, 05-28-2016 06:18 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 392
    06-20-2016, 08:30 PM Go to last post
  19. Gates timing kit WRX

    Started by Muswagon, 06-07-2016 08:33 AM
    • Replies: 5
    • Views: 171
    06-20-2016, 08:32 PM Go to last post
  20. Knock in 04 WRX

    Started by Muswagon, 05-27-2016 11:15 AM
    • Replies: 1
    • Views: 145
    05-27-2016, 12:53 PM Go to last post
    • Replies: 42
    • Views: 36,628
    05-19-2016, 10:27 PM Go to last post
  21. will a 2007 wrx engine work in a 2006 wrx?

    Started by nshambaugh, 05-31-2016 07:32 PM
    • Replies: 0
    • Views: 126
    05-31-2016, 07:32 PM Go to last post
  22. Shifter bushings and are they a must mod?!

    Started by Pittwrx14, 06-07-2016 05:23 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 476
    06-11-2016, 01:16 PM Go to last post
  23. Heartbroken.....I blew my engine!

    Started by psychobooe, 06-20-2016 09:18 PM
    • Replies: 8
    • Views: 424
    06-22-2016, 03:22 PM Go to last post
  24. Jdm ej205 swap in 2004 wrx

    Started by sajoker3810, 05-17-2016 02:17 PM
    • Replies: 1
    • Views: 179
    05-20-2016, 10:08 AM Go to last post
  25. Wrx sti engine internals

    Started by Samwrxsti09, 06-01-2016 02:17 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 572
    06-03-2016, 03:45 PM Go to last post
  26. Exhaust breaking bolts

    Started by Snaxbug, 06-10-2016 01:52 PM
    • Replies: 8
    • Views: 205
    06-13-2016, 03:16 AM Go to last post
  27. Angry What Mods to Buy First

    Started by SoCalAdam, 06-17-2016 09:59 AM
    • Replies: 9
    • Views: 350
    06-17-2016, 03:49 PM Go to last post
  28. Advice on Engine Rod Knock and Rebuild

    Started by sub2010ss, 06-01-2016 04:33 PM
    • Replies: 0
    • Views: 146
    06-01-2016, 04:33 PM Go to last post
  29. 16 wrx q300 or cobb catback

    Started by Supermarios010, 05-14-2016 07:31 AM
    • Replies: 7
    • Views: 348
    05-23-2016, 11:25 PM Go to last post
  30. 2017 WRX 4k-5K Stutter?

    Started by Tadweezy, 06-16-2016 07:42 AM
    • Replies: 2
    • Views: 336
    06-29-2016, 05:23 AM Go to last post
  31. HELP: My turbo fins are hitting one side

    Started by TheLoop, 06-10-2016 06:21 PM
    • Replies: 10
    • Views: 240
    06-17-2016, 10:58 AM Go to last post
  32. Overboost problem

    Started by ThisIsMyName, 05-28-2016 08:25 PM
    • Replies: 9
    • Views: 285
    06-01-2016, 08:26 AM Go to last post
  33. Throttle Body Hose - Fitment Question

    Started by Vapour1ze, 06-04-2016 08:16 PM
    • Replies: 4
    • Views: 152
    06-04-2016, 09:33 PM Go to last post

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