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: 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: 203
    • Views: 140,213
    Today, 08:37 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: 557
    • Views: 356,266
    03-22-2015, 03:35 PM Go to last post
  3. 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: 935,828
    02-27-2015, 12:02 PM Go to last post
  4. 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: 52,215
    02-12-2015, 03:16 AM 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: 54,878
    01-15-2015, 09:17 AM Go to last post
  6. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 13,893
    01-10-2015, 09:47 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: 45,322
    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: 35,056
    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: 8,218
    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: 6,832
    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: 4,590
    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: 27,197
    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: 21,826
    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: 13,859
    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: 90,121
    09-29-2004, 09:25 PM Go to last post
  1. crank pulley and timng question

    Started by brock00102, Today 12:13 PM
    • Replies: 3
    • Views: 113
    Today, 01:06 PM Go to last post
  2. stage 1 review

    Started by nsibanez, 10-18-2014 10:39 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 107
    • Views: 4,230
    Yesterday, 09:24 PM Go to last post
  3. What mods next

    Started by Daltonp45, 03-23-2015 01:50 PM
    • Replies: 12
    • Views: 307
    Yesterday, 09:52 AM Go to last post
  4. Stage 2 ? 2015 Wrx

    Started by Jmarsh790, Yesterday 04:13 AM
    • Replies: 3
    • Views: 175
    Yesterday, 09:37 AM Go to last post
  5. 2015 WRX - What to Mod?

    Started by Sparks729, 03-22-2015 09:16 PM
    • Replies: 6
    • Views: 348
    03-24-2015, 05:11 PM Go to last post
  6. Passing Emissions

    Started by ThatOneGuy18, 03-21-2015 08:14 PM
    • Replies: 4
    • Views: 181
    03-24-2015, 03:50 PM Go to last post
  7. 08 STI Stock Exhaust vs 11+ WRX Hatch Stock Exhaust

    Started by divide, 03-24-2015 01:00 PM
    • Replies: 3
    • Views: 128
    03-24-2015, 02:01 PM Go to last post
  8. Tuning Question.

    Started by DERKADERKA, 03-23-2015 08:17 PM
    • Replies: 2
    • Views: 157
    03-24-2015, 04:16 AM Go to last post
    • Replies: 11
    • Views: 303
    03-22-2015, 12:14 PM Go to last post
  9. By pass valve

    Started by Mikesrex, 03-22-2015 04:11 AM
    • Replies: 4
    • Views: 149
    03-22-2015, 05:55 AM Go to last post
  10. 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: 397
    03-20-2015, 06:26 PM Go to last post
  11. Thumbs up 2015 STI brakes swap with a 2015 WRX?

    Started by MY15WRBRex, 03-20-2015 09:27 AM
    • Replies: 7
    • Views: 243
    03-20-2015, 03:27 PM Go to last post
  12. Down pipe

    Started by nfisher1986, 03-19-2015 09:22 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 322
    03-19-2015, 01:50 PM Go to last post
  13. Anyone ever hear of REV9??

    Started by 100plus2Vegas, 03-17-2015 10:00 PM
    • Replies: 4
    • Views: 254
    03-19-2015, 07:00 AM Go to last post
    • Replies: 2
    • Views: 159
    03-19-2015, 04:32 AM Go to last post
  14. Boost Issue

    Started by frenziedcage, 03-18-2015 07:16 PM
    • Replies: 6
    • Views: 190
    03-18-2015, 08:44 PM Go to last post
  15. Looking for 2010 stock downpipe

    Started by Wrxlife21, 03-01-2015 09:47 PM
    • Replies: 5
    • Views: 200
    03-18-2015, 07:32 PM Go to last post
    • Replies: 46
    • Views: 2,988
    03-18-2015, 11:10 AM Go to last post
  16. The CAI for my '09 WRX

    Started by New09wrx, 03-16-2015 05:48 AM
    • Replies: 8
    • Views: 266
    03-16-2015, 11:05 AM Go to last post
  17. 2003 Sti Mod

    Started by mrsuey, 03-12-2015 03:05 PM
    • Replies: 3
    • Views: 204
    03-13-2015, 08:35 PM Go to last post
    • Replies: 5
    • Views: 206
    03-13-2015, 07:48 PM Go to last post
  18. Broken bellhousing bolt.....

    Started by WRX-maniac, 03-12-2015 09:51 PM
    • Replies: 2
    • Views: 176
    03-13-2015, 04:15 PM Go to last post
  19. PW tmic install without tune?

    Started by WRX-maniac, 03-07-2015 01:53 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 481
    03-12-2015, 11:04 AM Go to last post
  20. Wrapping a downpipe

    Started by WRX-maniac, 03-11-2015 11:56 AM
    • Replies: 6
    • Views: 261
    03-12-2015, 10:56 AM Go to last post
  21. ETS 2015 Subaru WRX Air Intake Kit

    Started by wgokc, 01-30-2015 05:18 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 1,638
    03-12-2015, 09:57 AM Go to last post
  22. Cool 2015 WRX MOD

    Started by subidoo87, 03-11-2015 03:00 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 709
    03-12-2015, 07:53 AM Go to last post
  23. 2015 WRX - Milk Jug Delete?

    Started by wrxatx, 09-12-2014 09:08 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 6,155
    03-12-2015, 05:24 AM Go to last post
    • Replies: 10
    • Views: 360
    03-10-2015, 05:20 PM Go to last post
  24. Lightbulb MY98 EJ20K head upgrade advice

    Started by secure, 03-10-2015 02:53 PM
    • Replies: 0
    • Views: 155
    03-10-2015, 02:53 PM Go to last post
  25. What comes after Stage 2?

    Started by mdawson808, 03-09-2015 04:01 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 531
    03-10-2015, 02:33 PM Go to last post
  26. ETS Intake Questions

    Started by RamboRex, 03-09-2015 07:04 AM
    • Replies: 2
    • Views: 198
    03-09-2015, 07:18 AM Go to last post
    • Replies: 4
    • Views: 213
    03-08-2015, 10:32 AM Go to last post
  27. Stage 2 question, pro tune?

    Started by mdawson808, 03-07-2015 05:16 PM
    • Replies: 11
    • Views: 351
    03-07-2015, 09:08 PM Go to last post
  28. bugeye wrx build questions

    Started by natesopny, 03-06-2015 11:26 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 369
    03-07-2015, 02:51 PM Go to last post
    • Replies: 6
    • Views: 367
    03-07-2015, 09:10 AM Go to last post

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