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: 48
    • Posts: 682

    Last Post:

    High Altitude Tuning Go to last post

    by

    08-25-2015, 11:26 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
    792 Pages
    1 2 3 4 5 ... 792
    • Replies: 11,878
    • Views: 994,697
    08-18-2015, 10:35 AM Go to last post
  2. 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: 559
    • Views: 374,324
    08-17-2015, 09:37 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: 233
    • Views: 173,911
    08-06-2015, 10:15 PM Go to last post
  4. 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: 55,775
    05-11-2015, 12:33 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: 61,128
    02-12-2015, 03:16 AM 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: 135
    • Views: 65,177
    01-15-2015, 09:17 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: 16,054
    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: 40,070
    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: 10,811
    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: 8,524
    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: 5,798
    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
    •  
    •  
  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: 28,579
    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: 23,506
    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: 14,489
    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: 92,910
    09-29-2004, 09:25 PM Go to last post
  1. Turbo going out?

    Started by Cade06WRX, Today 01:35 PM
    • Replies: 2
    • Views: 96
    Today, 05:07 PM Go to last post
  2. Cobb Stage 1+sf question

    Started by Mattman5399, 08-28-2015 05:40 PM
    • Replies: 10
    • Views: 182
    Today, 03:00 PM Go to last post
  3. up pipe worth it???

    Started by dacrewlilkev, 08-26-2015 10:07 AM
    • Replies: 7
    • Views: 246
    Today, 12:11 PM Go to last post
  4. How to: Air Box Silencer Delete

    Started by J.Skellington, 11-17-2006 04:08 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 109
    • Views: 54,721
    Yesterday, 03:17 PM Go to last post
  5. 2015/2016 WRX - how long did YOU wait before installing a Cobb AP?

    Started by NSR Rider, 08-12-2015 11:44 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,243
    Yesterday, 08:08 AM Go to last post
  6. Fewest mods for 300whp

    Started by TonyTonyChomper, 08-12-2015 05:14 AM
    • Replies: 7
    • Views: 468
    08-29-2015, 09:37 PM Go to last post
  7. After new turbo install, no joy

    Started by Ezrider725, 08-29-2015 11:31 AM
    • Replies: 1
    • Views: 147
    08-29-2015, 11:55 AM Go to last post
    • Replies: 3
    • Views: 158
    08-29-2015, 09:23 AM Go to last post
  8. Anyione running an invidia N1 on their 15 REX

    Started by Cisco Kidd, 08-02-2015 09:15 AM
    • Replies: 11
    • Views: 427
    08-26-2015, 05:02 PM Go to last post
  9. 2015 to 2016

    Started by jay4901, 07-28-2015 05:09 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 633
    08-26-2015, 10:54 AM Go to last post
  10. Improving Air intake without jeopardizing MAF sensor

    Started by On_All_4s, 08-24-2015 04:15 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 477
    08-25-2015, 04:36 PM Go to last post
  11. 04 WRX Straight pipe?

    Started by hlaurx, 08-25-2015 02:32 PM
    • Replies: 1
    • Views: 138
    08-25-2015, 03:04 PM Go to last post
  12. Bigger trubo

    Started by JacobWRX, 08-23-2015 07:22 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 451
    08-24-2015, 06:39 PM Go to last post
    • Replies: 5
    • Views: 249
    Vez
    08-23-2015, 11:32 AM Go to last post
  13. SPT Tuning

    Started by Jay508, 02-21-2011 04:28 PM
    • Replies: 8
    • Views: 2,218
    08-22-2015, 11:34 AM Go to last post
  14. looking for motor/trans mounts

    Started by jay4901, 08-20-2015 05:21 AM
    • Replies: 5
    • Views: 171
    08-21-2015, 05:56 PM Go to last post
  15. Catless downpipe?

    Started by 2011wrxsti_hatch, 08-20-2015 10:58 PM
    • Replies: 5
    • Views: 265
    08-21-2015, 05:53 PM Go to last post
  16. 2015 WRX - Milk Jug Delete?

    Started by wrxatx, 09-12-2014 09:08 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 12,051
    zax
    08-21-2015, 06:42 AM Go to last post
  17. AEM cold air intake

    Started by bennyj9291, 08-20-2015 04:42 PM
    • Replies: 8
    • Views: 282
    08-21-2015, 05:06 AM Go to last post
  18. Porting the Wastegate, Good or Bad?

    Started by SubieWRX2011, 08-06-2015 01:45 PM
    • Replies: 2
    • Views: 194
    08-19-2015, 03:00 PM Go to last post
  19. Downpipe

    Started by Jakeosbornee, 08-18-2015 11:23 PM
    • Replies: 3
    • Views: 223
    08-19-2015, 07:57 AM Go to last post
  20. Blow Off Valve really worth it?

    Started by 14wrxboy, 08-18-2015 09:52 AM
    • Replies: 11
    • Views: 376
    zax
    08-19-2015, 07:07 AM Go to last post
  21. Dual out/quad exhaust setup on 2010 wrx

    Started by Coopadoop, 08-05-2015 08:57 AM
    • Replies: 2
    • Views: 207
    08-19-2015, 05:15 AM Go to last post
  22. Are Perrin Intakes illegal in Florida?

    Started by yankrosewood, 08-17-2015 07:25 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 399
    08-18-2015, 10:08 AM Go to last post
  23. Ej205 cylinder head question

    Started by homflake, 08-15-2015 11:50 AM
    • Replies: 3
    • Views: 193
    08-17-2015, 05:14 PM Go to last post
  24. Perrin Cat Back Exhaust System for 2015 WRX?

    Started by sc00baru2015, 08-14-2015 10:05 AM
    • Replies: 5
    • Views: 314
    08-17-2015, 04:43 PM Go to last post
  25. 2015 WRX Limited - 17,500 Miles - CEL

    Started by Defiance, 08-16-2015 05:56 PM
    • Replies: 1
    • Views: 275
    08-16-2015, 05:56 PM Go to last post
  26. It's turbo time! Turbo+clutch questions

    Started by disqimation, 08-15-2015 09:46 AM
    • Replies: 1
    • Views: 213
    08-16-2015, 11:17 AM Go to last post
  27. Rod Knock

    Started by GLiTZSubie, 08-16-2015 06:22 AM
    • Replies: 3
    • Views: 222
    zax
    08-16-2015, 09:19 AM Go to last post
  28. Exclamation Exhaust Help! Q300 vs CNT Catback systems

    Started by cowboys13, 08-11-2015 08:14 PM
    • Replies: 2
    • Views: 222
    08-15-2015, 12:00 PM Go to last post
  29. GFB hybrid BOV

    Started by King Hill523, 08-13-2015 05:16 PM
    • Replies: 7
    • Views: 214
    08-14-2015, 01:59 PM Go to last post
  30. 2015 sti exhaust

    Started by King Hill523, 08-14-2015 04:11 AM
    • Replies: 0
    • Views: 147
    08-14-2015, 04:11 AM Go to last post
  31. 2011 wrx weird idle/rpm issue

    Started by Zacheryblack, 08-11-2015 06:37 AM
    • Replies: 8
    • Views: 251
    08-13-2015, 10:59 AM Go to last post
  32. Subispeed n1 dual exhaust help

    Started by Hehhreee, 08-11-2015 06:22 AM
    • Replies: 3
    • Views: 252
    08-13-2015, 06:02 AM Go to last post
  33. ELH/UELH Fuel Efficiency

    Started by TonyTonyChomper, 08-12-2015 04:15 AM
    • Replies: 3
    • Views: 187
    08-13-2015, 05:25 AM Go to last post

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