Engine Modifications
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Threads 1 to 34 of 34

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: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 15,352
    08-12-2007, 04:41 PM Go to last post
  2. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 19,616
    01-10-2015, 09:47 AM Go to last post
  3. 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: 72,201
    02-12-2015, 03:16 AM 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: 98,109
    09-29-2004, 09:25 PM Go to last post
  5. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 10,778
    04-09-2013, 09:07 PM 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: 140
    • Views: 79,160
    06-21-2016, 11:47 AM Go to last post
  7. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 08:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 47,410
    01-22-2014, 06:56 PM Go to last post
  8. 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: 231,314
    11-24-2015, 08:58 PM Go to last post
  9. 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: 11,944
    • Views: 1,088,119
    07-06-2016, 12:04 AM Go to last post
  10. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 14,511
    zax
    07-19-2013, 08:13 AM Go to last post
  11. 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: 69,477
    05-11-2015, 12:33 PM Go to last post
  12. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 25,806
    09-27-2009, 06:51 AM 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: 398,393
    11-20-2015, 08:28 AM Go to last post
  14. 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: 30,219
    01-02-2011, 02:58 PM Go to last post
  15. Sticky Thread Moved: BIG Intake Manifold FAQ!

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

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 7,299
    zax
    11-20-2012, 01:57 PM Go to last post
  1. Gotta add the mods

    Started by Bamaboy1988, 07-17-2016 12:04 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 281
    07-17-2016, 05:55 PM Go to last post
  2. Steam speed turbo 2016 wrx

    Started by breckiam, 07-19-2016 10:09 AM
    • Replies: 9
    • Views: 287
    07-20-2016, 04:14 PM Go to last post
  3. Any one running e85 or a mixture?

    Started by breckiam, 06-15-2016 05:20 AM
    • Replies: 12
    • Views: 349
    07-06-2016, 04:27 PM Go to last post
  4. 2016 wrx big turbo question?

    Started by breckiam, 06-13-2016 10:31 AM
    • Replies: 7
    • Views: 476
    06-30-2016, 08:56 PM Go to last post
  5. Thumbs down Up pipe without a tune? Epic fail.

    Started by coloradowrx, 06-21-2016 09:09 PM
    • Replies: 9
    • Views: 420
    06-22-2016, 03:25 PM Go to last post
    • Replies: 10
    • Views: 206
    07-16-2016, 02:17 PM Go to last post
  6. 2016 WRX SPT (STI Performance Exhaust) question

    Started by dhelm, 07-06-2016 07:57 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 593
    07-24-2016, 07:56 PM Go to last post
  7. WRX 300+ WHP

    Started by Dwata808, 01-23-2014 02:28 PM
    • Replies: 12
    • Views: 1,662
    07-05-2016, 08:58 PM Go to last post
    • Replies: 5
    • Views: 218
    07-21-2016, 01:30 PM Go to last post
  8. IAG Competition AOS or Crawford AOS for STI 2017

    Started by flavaflave, 07-06-2016 01:06 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 424
    07-11-2016, 12:42 PM Go to last post
  9. Midpipe Questions

    Started by ike206, 07-14-2016 02:22 PM
    • Replies: 5
    • Views: 223
    07-17-2016, 07:50 PM Go to last post
  10. Cobb AP and big sf intake 16 wrx

    Started by Jude521, 06-15-2016 05:41 AM
    • Replies: 5
    • Views: 304
    06-15-2016, 08:51 PM Go to last post
  11. What exhaust do i get!!

    Started by Juliansti, 06-15-2016 08:29 AM
    • Replies: 6
    • Views: 443
    07-14-2016, 07:08 PM Go to last post
  12. 300 whp 2014 wrx

    Started by Me6er, 01-22-2014 05:52 PM
    • Replies: 13
    • Views: 3,387
    06-29-2016, 11:21 AM Go to last post
  13. 2017 stock wrx - Turbo blanket

    Started by Mjkzeus, 07-02-2016 07:46 PM
    • Replies: 2
    • Views: 295
    07-05-2016, 08:53 PM Go to last post
  14. Noob wanting to know some HP gains.

    Started by Movingblueorb86, 07-07-2016 07:33 AM
    • Replies: 11
    • Views: 386
    07-12-2016, 09:17 PM Go to last post
  15. More questions on knock in 04 WRX

    Started by Muswagon, 05-28-2016 06:18 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 437
    06-20-2016, 08:30 PM Go to last post
  16. Gates timing kit WRX

    Started by Muswagon, 06-07-2016 08:33 AM
    • Replies: 5
    • Views: 195
    06-20-2016, 08:32 PM Go to last post
  17. Heartbroken.....I blew my engine!

    Started by psychobooe, 06-20-2016 09:18 PM
    • Replies: 8
    • Views: 563
    06-22-2016, 03:22 PM Go to last post
  18. Can a lightened crank pulley cause phantom misfires?

    Started by purexsamx360, 07-07-2016 07:07 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 477
    07-11-2016, 05:36 AM Go to last post
  19. Turbo spinning but no boost

    Started by RED STI, 07-09-2016 04:18 PM
    • Replies: 2
    • Views: 187
    07-09-2016, 04:46 PM Go to last post
  20. Rs to wrx?

    Started by schodge2000, 07-16-2016 02:37 PM
    • Replies: 3
    • Views: 216
    07-18-2016, 04:04 AM Go to last post
  21. Question about STi Motor

    Started by SheepyHollow, 07-10-2016 11:05 PM
    • Replies: 2
    • Views: 236
    07-11-2016, 09:47 AM Go to last post
  22. Exhaust breaking bolts

    Started by Snaxbug, 06-10-2016 01:52 PM
    • Replies: 8
    • Views: 248
    06-13-2016, 03:16 AM Go to last post
  23. Angry What Mods to Buy First

    Started by SoCalAdam, 06-17-2016 09:59 AM
    • Replies: 9
    • Views: 451
    06-17-2016, 03:49 PM Go to last post
  24. 2017 WRX 4k-5K Stutter?

    Started by Tadweezy, 06-16-2016 07:42 AM
    • Replies: 2
    • Views: 481
    06-29-2016, 05:23 AM Go to last post
  25. HELP: My turbo fins are hitting one side

    Started by TheLoop, 06-10-2016 06:21 PM
    • Replies: 10
    • Views: 266
    06-17-2016, 10:58 AM Go to last post
  26. Invidia N1 Exhaust??

    Started by tylermcg, 07-15-2016 03:54 PM
    • Replies: 3
    • Views: 189
    07-17-2016, 01:24 PM Go to last post
  27. Cobb Heat shield and invidia downpipe

    Started by withoutt, 06-21-2016 10:40 AM
    • Replies: 0
    • Views: 164
    06-21-2016, 10:40 AM Go to last post
  28. STI Stage 3

    Started by withoutt, 06-16-2016 07:43 AM
    • Replies: 2
    • Views: 243
    06-16-2016, 05:51 PM Go to last post
  29. 2016 GrimmSpeed EBCS tuning.

    Started by WolfeCakes, 06-12-2016 02:07 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 755
    06-14-2016, 05:34 AM Go to last post
  30. 09-14 WRX Stock Boost Control Solenoid Diagram

    Started by WRX-maniac, 06-18-2016 08:02 PM
    • Replies: 2
    • Views: 177
    06-20-2016, 01:17 PM Go to last post
    • Replies: 3
    • Views: 168
    06-16-2016, 05:35 PM Go to last post
  31. 16 WRX Solenoid and COBB SF Intake System

    Started by yuyumonk, 07-02-2016 01:35 PM
    • Replies: 4
    • Views: 212
    07-02-2016, 02:08 PM Go to last post

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