Engine Modifications
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Threads 1 to 35 of 76

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.

Sub-Forums Threads / Posts  Last Post

  1. Engine Performance Discussion Specific to Higher Altitudes

    Forum Actions:

    Forum Statistics:

    • Threads: 48
    • Posts: 679

    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: 11,876
    • Views: 972,450
    04-21-2015, 11:59 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: 367,745
    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
    15 Pages
    1 2 3 4 5 ... 15
    • Replies: 215
    • Views: 160,844
    06-04-2015, 06:04 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: 91,860
    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: 61,575
    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: 57,938
    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: 94
    • Views: 52,076
    05-11-2015, 12:33 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: 38,187
    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: 28,107
    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: 22,830
    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: 15,224
    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: 14,300
    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: 9,799
    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: 7,933
    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: 5,401
    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. **Complete WRX Tuning Guide**

    Started by RoadStar, 01-11-2006 02:54 AM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 93,775
    06-04-2015, 12:49 PM Go to last post
  2. 2015 wrx mods before tuning

    Started by huitt06, 09-07-2014 12:50 PM
    4 Pages
    1 2 3 4
    • Replies: 56
    • Views: 17,889
    06-11-2015, 08:03 AM Go to last post
  3. Equal length vs. Un-equal Length Headers

    Started by commbubba19, 03-14-2013 02:25 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 10,615
    05-25-2015, 06:12 AM Go to last post
  4. E85 conversion and tune

    Started by Stlgrndskeeper, 04-01-2011 11:25 AM
    • Replies: 7
    • Views: 8,781
    06-30-2015, 02:40 PM Go to last post
  5. Binjoau's 09 WRX - Hybrid EJ257 Swap Thread

    Started by binjoau, 10-10-2010 08:47 AM
    4 Pages
    1 2 3 4
    • Replies: 52
    • Views: 5,587
    06-02-2015, 11:34 AM Go to last post
  6. Nameless Muffler Replacement

    Started by MizzouDevil, 02-18-2012 06:16 PM
    • Replies: 13
    • Views: 2,578
    06-29-2015, 05:46 AM Go to last post
  7. ETS 2015 WRX/STI Axle Back Exhaust System

    Started by wgokc, 12-16-2014 05:48 PM
    • Replies: 14
    • Views: 2,045
    zax
    06-12-2015, 09:49 AM Go to last post
  8. 2015 or 2016 wrx

    Started by Vork, 05-30-2015 08:56 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,212
    zax
    06-06-2015, 09:12 AM Go to last post
  9. Budget FMIC

    Started by J_saucy, 06-11-2015 03:24 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 695
    06-12-2015, 08:54 PM Go to last post
  10. FMIC with stock turbo, or what aftermarket turbo/

    Started by withoutt, 06-10-2015 06:23 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 667
    06-12-2015, 06:34 PM Go to last post
  11. Axle Back Exhaust

    Started by 0008REx, 06-15-2015 04:30 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 653
    06-28-2015, 05:01 PM Go to last post
    • Replies: 18
    • Views: 621
    06-11-2015, 02:08 PM Go to last post
  12. Turbo on my 2006 WRX

    Started by JacobWRX, 06-10-2015 01:45 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 573
    06-11-2015, 08:29 AM Go to last post
  13. New 15 Wrx

    Started by AFCovault08, 05-23-2015 05:05 PM
    • Replies: 9
    • Views: 571
    05-24-2015, 07:08 AM Go to last post
  14. 1st Mod questions

    Started by Exhale, 05-22-2015 12:17 PM
    • Replies: 14
    • Views: 571
    05-23-2015, 10:41 AM Go to last post
  15. Cobb downpipe "ebay" exhaust?

    Started by 4eat05, 05-14-2015 08:43 AM
    • Replies: 10
    • Views: 540
    06-02-2015, 10:25 PM Go to last post
  16. PW Verticooler and Cobb XLE BPV Installation w/ Pics

    Started by thump88, 06-12-2015 07:50 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 524
    06-19-2015, 12:15 PM Go to last post
  17. Ej205 block weakness? 207 stronger?

    Started by 4eat05, 05-25-2015 06:47 PM
    • Replies: 11
    • Views: 519
    zax
    06-03-2015, 08:07 PM Go to last post
  18. Mishimoto CAI on a 2015 wrx limited Noob ?

    Started by Dpvisual, 06-08-2015 03:29 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 493
    06-08-2015, 08:47 PM Go to last post
    • Replies: 25
    • Views: 487
    06-25-2015, 11:09 AM Go to last post
    • Replies: 13
    • Views: 472
    06-25-2015, 03:10 PM Go to last post
  19. Just ordered Mishimoto Air Intake System

    Started by joutlaw, 06-07-2015 08:00 PM
    • Replies: 13
    • Views: 448
    06-09-2015, 06:17 AM Go to last post
    • Replies: 11
    • Views: 447
    06-03-2015, 10:44 AM Go to last post
  20. Boost PSI problem Stage 1

    Started by withoutt, 05-12-2015 06:33 AM
    • Replies: 12
    • Views: 437
    05-29-2015, 09:42 PM Go to last post
  21. Stage 2+ SF Finally Dyno pull.

    Started by withoutt, 06-02-2015 10:32 AM
    • Replies: 8
    • Views: 433
    06-04-2015, 05:45 PM Go to last post
  22. CAI: KN Typhoon, AEM, Perrin, TurboXS

    Started by Wrx>>, 06-02-2015 03:05 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 424
    06-05-2015, 10:08 PM Go to last post
  23. Cat or no cat

    Started by Raul_wrx, 05-20-2015 07:58 AM
    • Replies: 4
    • Views: 383
    05-21-2015, 05:33 AM Go to last post
  24. Mishimoto Intake for 15' WRX Overview

    Started by Cduverge28, 06-15-2015 10:31 AM
    • Replies: 7
    • Views: 376
    06-24-2015, 10:24 PM Go to last post
  25. Sti turbo?

    Started by Versace_, 06-06-2015 02:00 PM
    • Replies: 13
    • Views: 376
    06-10-2015, 09:19 AM Go to last post
  26. Intake without access port

    Started by mizzzike, 06-15-2015 12:00 AM
    • Replies: 11
    • Views: 359
    06-15-2015, 10:58 AM Go to last post
  27. Spun Rod Bearing question

    Started by krumble, 06-26-2015 11:48 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 357
    07-01-2015, 11:56 AM Go to last post
  28. exhaust question

    Started by 2015subi, 06-05-2015 11:14 PM
    • Replies: 10
    • Views: 356
    06-09-2015, 08:27 AM Go to last post
  29. Dropped my 2013 WRX off with the tuners :)

    Started by jcerillo70, 06-09-2015 03:55 PM
    • Replies: 4
    • Views: 347
    06-12-2015, 06:45 PM Go to last post
  30. What rods to get?

    Started by frenziedcage, 05-23-2015 05:45 PM
    • Replies: 1
    • Views: 344
    05-23-2015, 09:33 PM Go to last post
  31. TGV Deletes easy install 30 hp 27 torque gains

    Started by ApplesWRX, 05-28-2015 06:17 AM
    • Replies: 7
    • Views: 341
    05-28-2015, 10:18 AM Go to last post

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