Engine Modifications
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Threads 1 to 35 of 49

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: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 06:59 PM
    • Replies: 1
    • Views: 97,517
    09-29-2004, 09:25 PM Go to last post
  2. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 15,299
    08-12-2007, 04:41 PM Go to last post
  3. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 25,669
    09-27-2009, 06:51 AM Go to last post
  4. 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: 30,087
    01-02-2011, 02:58 PM Go to last post
  5. Sticky Thread Moved: BIG Intake Manifold FAQ!

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

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 7,253
    zax
    11-20-2012, 01:57 PM Go to last post
  7. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 10,664
    04-09-2013, 09:07 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: 14,286
    zax
    07-19-2013, 08:13 AM Go to last post
  9. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 08:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 47,053
    01-22-2014, 06:56 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: 19,426
    01-10-2015, 09:47 AM Go to last post
  11. 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: 71,768
    02-12-2015, 03:16 AM Go to last post
  12. 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: 68,799
    05-11-2015, 12:33 PM 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: 397,409
    11-20-2015, 08:28 AM Go to last post
  14. 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: 227,702
    11-24-2015, 08:58 PM Go to last post
  15. 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: 1,082,809
    06-17-2016, 04:58 AM Go to last post
  16. 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: 78,479
    06-21-2016, 11:47 AM Go to last post
  1. Mishimoto worth it?

    Started by Zrx1011, 05-13-2016 06:12 PM
    • Replies: 5
    • Views: 298
    05-14-2016, 09:12 AM Go to last post
  2. Invidia j pipe install biggest headache ever!

    Started by WolfeCakes, 05-13-2016 09:51 AM
    • Replies: 7
    • Views: 255
    05-14-2016, 03:50 PM Go to last post
  3. 2016 wrx on e85

    Started by breckiam, 05-15-2016 03:44 PM
    • Replies: 3
    • Views: 243
    05-15-2016, 04:29 PM Go to last post
  4. leaded 112

    Started by frenziedcage, 05-15-2016 07:40 PM
    • Replies: 4
    • Views: 194
    05-16-2016, 05:53 AM Go to last post
  5. What Voids my Warranty

    Started by gohamz, 05-16-2016 01:59 PM
    • Replies: 3
    • Views: 243
    05-16-2016, 04:29 PM Go to last post
  6. Oil catch can?

    Started by Hankscorpio, 04-19-2016 06:25 PM
    • Replies: 8
    • Views: 429
    05-16-2016, 05:36 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: 160
    05-19-2016, 06:47 AM Go to last post
  8. Should I upgrade my fuel system further

    Started by frenziedcage, 05-16-2016 05:49 PM
    • Replies: 2
    • Views: 161
    05-19-2016, 05:02 PM Go to last post
    • Replies: 42
    • Views: 36,543
    05-19-2016, 10:27 PM Go to last post
  9. Jdm ej205 swap in 2004 wrx

    Started by sajoker3810, 05-17-2016 02:17 PM
    • Replies: 1
    • Views: 177
    05-20-2016, 10:08 AM Go to last post
  10. Just Curious..

    Started by mjmwrx, 05-22-2016 10:42 AM
    • Replies: 13
    • Views: 310
    05-23-2016, 09:45 AM Go to last post
  11. 16 wrx q300 or cobb catback

    Started by Supermarios010, 05-14-2016 07:31 AM
    • Replies: 7
    • Views: 341
    05-23-2016, 11:25 PM Go to last post
  12. Cobb access tuner pro?

    Started by WolfeCakes, 05-21-2016 08:17 AM
    • Replies: 6
    • Views: 285
    05-24-2016, 09:15 AM Go to last post
  13. Oil filter for 2016 wrx 2.0

    Started by gta88ws6, 05-24-2016 08:24 AM
    • Replies: 5
    • Views: 180
    05-24-2016, 09:46 PM Go to last post
  14. Knock in 04 WRX

    Started by Muswagon, 05-27-2016 11:15 AM
    • Replies: 1
    • Views: 139
    05-27-2016, 12:53 PM Go to last post
  15. will a 2007 wrx engine work in a 2006 wrx?

    Started by nshambaugh, 05-31-2016 07:32 PM
    • Replies: 0
    • Views: 123
    05-31-2016, 07:32 PM Go to last post
  16. 2016 WRX STI Downpipe

    Started by withoutt, 05-31-2016 09:17 AM
    • Replies: 1
    • Views: 171
    05-31-2016, 09:53 PM Go to last post
    • Replies: 9
    • Views: 385
    06-01-2016, 07:28 AM Go to last post
  17. Overboost problem

    Started by ThisIsMyName, 05-28-2016 08:25 PM
    • Replies: 9
    • Views: 278
    06-01-2016, 08:26 AM Go to last post
  18. 2015 Wrx turboback

    Started by Zrx1011, 05-14-2016 11:53 AM
    • Replies: 6
    • Views: 303
    06-01-2016, 01:22 PM Go to last post
  19. Post Performance upgrades?

    Started by Cbaur1, 05-15-2016 04:13 PM
    • Replies: 8
    • Views: 545
    06-01-2016, 01:49 PM Go to last post
  20. Advice on Engine Rod Knock and Rebuild

    Started by sub2010ss, 06-01-2016 04:33 PM
    • Replies: 0
    • Views: 141
    06-01-2016, 04:33 PM Go to last post
  21. 2004 engine swap info needed

    Started by Jgibs, 05-27-2016 05:50 PM
    • Replies: 14
    • Views: 253
    06-01-2016, 08:52 PM Go to last post
  22. Exhaust Mod 2013 Wrx Hatch

    Started by Mattman5399, 05-31-2016 02:11 PM
    • Replies: 4
    • Views: 172
    06-02-2016, 05:55 PM Go to last post
  23. First time WRX owner with exhaust questions

    Started by icopeland10, 06-02-2016 05:58 AM
    • Replies: 12
    • Views: 356
    06-03-2016, 01:24 PM Go to last post
  24. Wrx sti engine internals

    Started by Samwrxsti09, 06-01-2016 02:17 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 559
    06-03-2016, 03:45 PM Go to last post
  25. Throttle Body Hose - Fitment Question

    Started by Vapour1ze, 06-04-2016 08:16 PM
    • Replies: 4
    • Views: 150
    06-04-2016, 09:33 PM Go to last post
  26. MOAR power!?

    Started by WRX-maniac, 06-05-2016 06:50 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 408
    06-08-2016, 05:56 PM Go to last post
  27. Looking for exhaust with no drone

    Started by mrcodybrock, 05-19-2016 04:15 PM
    • Replies: 11
    • Views: 440
    06-09-2016, 01:49 PM Go to last post
  28. Will 08 WRX STi exhaust fit 08 WRX base?

    Started by Zarthias, 06-09-2016 12:10 PM
    • Replies: 1
    • Views: 155
    06-09-2016, 02:17 PM Go to last post
  29. Shifter bushings and are they a must mod?!

    Started by Pittwrx14, 06-07-2016 05:23 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 450
    06-11-2016, 01:16 PM Go to last post
  30. Lightbulb 14 WRX flanges!!

    Started by Keeders08, 06-11-2016 02:07 PM
    • Replies: 1
    • Views: 140
    06-11-2016, 02:46 PM Go to last post
  31. Exhaust breaking bolts

    Started by Snaxbug, 06-10-2016 01:52 PM
    • Replies: 8
    • Views: 202
    06-13-2016, 03:16 AM Go to last post
  32. 2016 GrimmSpeed EBCS tuning.

    Started by WolfeCakes, 06-12-2016 02:07 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 580
    06-14-2016, 05:34 AM Go to last post
  33. 2016 wrx big turbo question?

    Started by breckiam, 06-13-2016 10:31 AM
    • Replies: 6
    • Views: 308
    06-14-2016, 08:08 AM Go to last post

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