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: 48
    • Posts: 681

    Last Post:

    TECH: High altitude and octane Go to last post

    by

    11-06-2014, 05:28 PM

  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: 11,874
    • Views: 943,336
    02-27-2015, 12:02 PM 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: 557
    • Views: 358,873
    03-22-2015, 03:35 PM 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
    14 Pages
    1 2 3 4 5 ... 14
    • Replies: 208
    • Views: 145,026
    03-29-2015, 01:45 PM 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: 90,548
    09-29-2004, 09:25 PM Go to last post
  5. 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: 56,558
    01-15-2015, 09:17 AM Go to last post
  6. 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: 53,555
    02-12-2015, 03:16 AM Go to last post
  7. 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: 93
    • Views: 46,761
    12-09-2014, 03:43 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: 35,721
    01-22-2014, 06:56 PM Go to last post
  9. 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: 27,435
    01-02-2011, 02:58 PM Go to last post
  10. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 22,061
    09-27-2009, 06:51 AM Go to last post
  11. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 14,219
    01-10-2015, 09:47 AM Go to last post
  12. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 14,011
    08-12-2007, 04:41 PM Go to last post
  13. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 8,555
    zax
    07-19-2013, 08:13 AM Go to last post
  14. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 7,118
    04-09-2013, 09:07 PM Go to last post
  15. Sticky Thread Sticky: The BIG Intake Manifold/TGV/Phenolic Spacer FAQ!

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 4,785
    zax
    11-20-2012, 01:57 PM Go to last post
  16. Sticky Thread Moved: BIG Intake Manifold FAQ!

    Started by zax, 11-20-2012 01:51 PM
    •  
    •  
  1. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 12:50 PM
    4 Pages
    1 2 3 4
    • Replies: 55
    • Views: 12,094
    04-03-2015, 03:40 PM Go to last post
  2. 2015 WRX - Milk Jug Delete?

    Started by wrxatx, 09-12-2014 09:08 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 6,986
    03-12-2015, 05:24 AM Go to last post
  3. Just ordered a Process West TMIC (installed 9/4/2010)

    Started by Sasquatch, 08-26-2010 01:57 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 6,086
    04-15-2015, 05:40 PM Go to last post
  4. stage 1 review

    Started by nsibanez, 10-18-2014 10:39 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 118
    • Views: 4,942
    04-08-2015, 03:14 PM Go to last post
  5. Stock Engine and Tranny Limits

    Started by SubiNewbi, 02-04-2009 11:44 AM
    • Replies: 8
    • Views: 3,773
    zax
    04-09-2015, 10:11 AM Go to last post
    • Replies: 46
    • Views: 3,168
    03-18-2015, 11:10 AM Go to last post
  6. New (to me) WRX Blowing Smoke like a train

    Started by jkd12589, 04-02-2015 02:04 AM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 125
    • Views: 2,113
    Yesterday, 09:12 PM Go to last post
  7. ETS 2015 Subaru WRX Air Intake Kit

    Started by wgokc, 01-30-2015 05:18 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 2,111
    03-12-2015, 09:57 AM Go to last post
  8. I Need HP and mods!!

    Started by subaruwrx21, 03-30-2015 11:01 PM
    5 Pages
    1 2 3 4 5
    • Replies: 69
    • Views: 1,395
    zax
    04-01-2015, 06:26 AM Go to last post
  9. 2015 WRX CVT fuel map

    Started by mhayes, 02-03-2015 12:30 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,366
    04-14-2015, 08:18 AM Go to last post
  10. Cool 2015 WRX MOD

    Started by subidoo87, 03-11-2015 03:00 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 903
    03-12-2015, 07:53 AM Go to last post
  11. What comes after Stage 2?

    Started by mdawson808, 03-09-2015 04:01 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 630
    03-10-2015, 02:33 PM Go to last post
  12. 2015 WRX - What to Mod?

    Started by Sparks729, 03-22-2015 09:16 PM
    • Replies: 6
    • Views: 578
    03-24-2015, 05:11 PM Go to last post
  13. PW tmic install without tune?

    Started by WRX-maniac, 03-07-2015 01:53 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 561
    03-12-2015, 11:04 AM Go to last post
  14. Exhaust Upgrades

    Started by MikeLowrey123, 03-29-2015 06:25 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 552
    03-30-2015, 04:45 PM Go to last post
  15. 02 WRX Boost up to 18 psi on Cobb Eco-tune

    Started by Yobfriend, 03-20-2015 07:39 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 542
    03-20-2015, 06:26 PM Go to last post
  16. 2015 WRX Exhaust Questions

    Started by Raven Logics, 04-11-2015 11:07 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 530
    04-16-2015, 10:53 AM Go to last post
  17. Down pipe

    Started by nfisher1986, 03-19-2015 09:22 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 504
    03-19-2015, 01:50 PM Go to last post
  18. 2002 wrx misfire ANY HELP?

    Started by substi555, 02-20-2015 06:36 PM
    • Replies: 6
    • Views: 478
    03-05-2015, 05:16 AM Go to last post
    • Replies: 8
    • Views: 467
    04-11-2015, 12:36 PM Go to last post
  19. What mods next

    Started by Daltonp45, 03-23-2015 01:50 PM
    • Replies: 12
    • Views: 441
    03-25-2015, 09:52 AM Go to last post
  20. ProcessWest TMIC vs Grimspeed TMIC. 2013 WRX

    Started by TownLine500, 04-14-2015 11:51 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 440
    zax
    04-15-2015, 08:43 PM Go to last post
  21. Stage 2 ? 2015 Wrx

    Started by Jmarsh790, 03-25-2015 04:13 AM
    • Replies: 3
    • Views: 439
    03-25-2015, 09:37 AM Go to last post
  22. Thumbs up 2015 STI brakes swap with a 2015 WRX?

    Started by MY15WRBRex, 03-20-2015 09:27 AM
    • Replies: 8
    • Views: 438
    04-14-2015, 02:52 PM Go to last post
    • Replies: 6
    • Views: 416
    03-07-2015, 09:10 AM Go to last post
  23. bugeye wrx build questions

    Started by natesopny, 03-06-2015 11:26 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 413
    03-07-2015, 02:51 PM Go to last post
  24. Noob Question: Need help with J-Pipes for FA20

    Started by DanaD3x, 02-27-2015 04:58 PM
    • Replies: 8
    • Views: 413
    zax
    04-13-2015, 09:52 AM Go to last post
    • Replies: 10
    • Views: 413
    03-10-2015, 05:20 PM Go to last post
  25. Stage 2 question, pro tune?

    Started by mdawson808, 03-07-2015 05:16 PM
    • Replies: 11
    • Views: 407
    03-07-2015, 09:08 PM Go to last post
    • Replies: 11
    • Views: 400
    03-22-2015, 12:14 PM Go to last post
  26. New Subaru Owner - 2015 WRX Premium

    Started by dsmichals, 03-27-2015 08:13 AM
    • Replies: 8
    • Views: 391
    03-27-2015, 12:51 PM Go to last post
  27. Passing Emissions

    Started by ThatOneGuy18, 03-21-2015 08:14 PM
    • Replies: 5
    • Views: 369
    03-29-2015, 07:30 PM Go to last post
    • Replies: 9
    • Views: 365
    04-09-2015, 07:53 AM Go to last post
  28. Grimmspeed Downpipe Review

    Started by jbreezy, 04-15-2015 10:46 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 356
    04-15-2015, 08:20 PM Go to last post
  29. How to make it to stage 2?

    Started by whiteboy720, 04-16-2015 07:49 PM
    • Replies: 6
    • Views: 350
    Yesterday, 05:52 AM Go to last post

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