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: 684

    Last Post:

    High Altitude Tuning Go to last post

    by

    04-26-2016, 11:32 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
    796 Pages
    1 2 3 4 5 ... 796
    • Replies: 11,939
    • Views: 1,073,225
    04-14-2016, 08:22 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: 567
    • Views: 396,391
    11-20-2015, 08:28 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: 235
    • Views: 223,401
    11-24-2015, 08:58 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: 96,873
    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: 138
    • Views: 77,484
    11-05-2015, 02:17 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: 71,194
    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: 67,982
    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: 46,537
    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: 29,963
    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: 25,513
    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: 19,220
    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: 15,238
    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: 13,978
    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: 10,544
    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: 7,175
    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
    •  
    •  
    • Replies: 42
    • Views: 35,381
    05-19-2016, 10:27 PM Go to last post
  1. Is a K&N air filter worth it?

    Started by shawncmil, 02-03-2002 02:34 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 8,184
    04-24-2016, 05:50 PM Go to last post
    • Replies: 16
    • Views: 4,529
    04-20-2016, 10:24 AM Go to last post
  2. 2011 WRX SPT Exhaust Question

    Started by Slayth, 11-10-2011 02:26 PM
    • Replies: 10
    • Views: 3,090
    04-21-2016, 12:23 PM Go to last post
  3. 300WHP Goal, What to expect in terms of feel?

    Started by mdk72002, 04-23-2016 10:14 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 622
    zax
    04-24-2016, 08:32 AM Go to last post
  4. What motor do I have usdm jdm

    Started by sajoker3810, 04-15-2016 10:37 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 488
    04-17-2016, 08:23 AM Go to last post
  5. Did I **** up?

    Started by xComeback23, 04-30-2016 01:37 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 481
    05-13-2016, 07:41 AM Go to last post
  6. how can I add horspower besides...

    Started by omegashenron, 04-12-2016 03:03 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 479
    zax
    04-12-2016, 05:57 PM Go to last post
  7. Noob Question

    Started by slowpreza, 04-20-2016 05:38 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 402
    04-25-2016, 04:01 PM Go to last post
  8. 16 wrx exhaust

    Started by Wrxmodzz, 04-09-2016 07:21 PM
    • Replies: 3
    • Views: 400
    04-23-2016, 10:21 PM Go to last post
    • Replies: 10
    • Views: 370
    04-13-2016, 12:08 PM Go to last post
  9. Arrow Bought a used wrx hatchback

    Started by 2014wrxhatchback, 04-10-2016 11:14 AM
    • Replies: 9
    • Views: 369
    04-14-2016, 05:11 AM Go to last post
  10. Post Performance upgrades?

    Started by Cbaur1, 05-15-2016 04:13 PM
    • Replies: 7
    • Views: 367
    05-22-2016, 11:41 PM Go to last post
  11. 2013 WRX low load/rpm rattle

    Started by mdawson808, 03-17-2016 11:13 AM
    • Replies: 13
    • Views: 360
    04-28-2016, 06:59 AM Go to last post
  12. Post TMIC IAT sensor high readings

    Started by WREXXY, 11-07-2015 05:05 PM
    • Replies: 7
    • Views: 357
    05-02-2016, 12:10 PM Go to last post
  13. 02 wrx front mount BOV problems

    Started by PurpleNurple901, 04-07-2016 09:19 PM
    • Replies: 7
    • Views: 328
    04-10-2016, 03:56 PM Go to last post
  14. Oil catch can?

    Started by Hankscorpio, 04-19-2016 06:25 PM
    • Replies: 8
    • Views: 320
    05-16-2016, 05:36 PM Go to last post
  15. Old Member Seeking Some Opinions

    Started by wreckingball man, 04-11-2016 06:30 PM
    • Replies: 11
    • Views: 320
    04-13-2016, 09:40 AM Go to last post
  16. Recalls on modified wrx?

    Started by Newownerwrx16, 04-18-2016 06:28 PM
    • Replies: 5
    • Views: 306
    04-19-2016, 05:12 AM Go to last post
    • Replies: 6
    • Views: 280
    04-13-2016, 01:46 PM Go to last post
  17. 2015-2016 WRX/STI 1/4 mile times?

    Started by beezee1212, 05-02-2016 01:04 PM
    • Replies: 1
    • Views: 276
    05-02-2016, 08:56 PM Go to last post
  18. Install a turbo on my 2016 Impreza? (non-WRX)

    Started by jdrummer89, 05-01-2016 11:08 PM
    • Replies: 9
    • Views: 275
    05-02-2016, 12:02 PM Go to last post
  19. Cobb Ap gauges

    Started by gta88ws6, 05-05-2016 06:07 PM
    • Replies: 8
    • Views: 273
    zax
    05-11-2016, 08:28 AM Go to last post
  20. 2015-16-17 Milk Jug Question

    Started by Mjkzeus, 04-19-2016 08:58 PM
    • Replies: 2
    • Views: 248
    04-20-2016, 06:10 AM Go to last post
  21. Atmospheric to Recirc valve

    Started by NewToThis05WRX, 04-14-2016 08:58 AM
    • Replies: 10
    • Views: 244
    04-18-2016, 04:05 PM Go to last post
  22. Just Curious..

    Started by mjmwrx, 05-22-2016 10:42 AM
    • Replies: 13
    • Views: 243
    05-23-2016, 09:45 AM Go to last post
    • Replies: 8
    • Views: 237
    05-23-2016, 02:29 PM Go to last post
  23. Mishimoto worth it?

    Started by Zrx1011, 05-13-2016 06:12 PM
    • Replies: 5
    • Views: 236
    05-14-2016, 09:12 AM Go to last post
  24. 16 wrx q300 or cobb catback

    Started by Supermarios010, 05-14-2016 07:31 AM
    • Replies: 7
    • Views: 234
    05-23-2016, 11:25 PM Go to last post
    • Replies: 7
    • Views: 232
    05-12-2016, 10:40 PM Go to last post
  25. 2006 WRX with Cobb Stage 1+ EBCS boost go / no-go

    Started by saahbs, 04-09-2016 10:06 PM
    • Replies: 4
    • Views: 227
    04-10-2016, 09:19 AM Go to last post
  26. 02 WRX Turbo and EWG install

    Started by GCrane, 04-17-2016 04:22 PM
    • Replies: 9
    • Views: 219
    zax
    04-18-2016, 06:55 AM Go to last post
  27. TGV Delete Question

    Started by wreckingball man, 04-29-2016 12:08 PM
    • Replies: 5
    • Views: 217
    04-30-2016, 05:06 PM Go to last post
  28. Looking for exhaust with no drone

    Started by mrcodybrock, 05-19-2016 04:15 PM
    • Replies: 5
    • Views: 207
    05-21-2016, 07:16 AM Go to last post
  29. Mysterious engine noise after mods

    Started by boostlife_DIT, 04-19-2016 12:39 PM
    • Replies: 5
    • Views: 206
    04-20-2016, 04:05 AM Go to last post

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