Engine Modifications
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Threads 1 to 25 of 25

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: 691

    Last Post:

    High Altitude Tuning Go to last post

    03-01-2017, 11:52 AM

  1. Sticky Thread Sticky: Engine Performance FAQ [[[READ ME]]]

    Started by ebr0t, 09-28-2004 06:59 PM
    • Replies: 1
    • Views: 101,246
    09-29-2004, 09:25 PM Go to last post
  2. Sticky Thread Sticky: Subaru Catch All TSB Regarding Modding

    Started by 302@12psi, 08-12-2007 07:43 AM
    • Replies: 8
    • Views: 15,810
    08-12-2007, 04:41 PM Go to last post
  3. Post Sticky Thread Sticky: I want 400WHP!!!1!juan!

    Started by TheJ, 09-27-2009 06:51 AM
    • Replies: 0
    • Views: 27,098
    09-27-2009, 06:51 AM Go to last post
  4. 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: 31,132
    01-02-2011, 02:58 PM Go to last post
  5. Sticky Thread Moved: BIG Intake Manifold FAQ!

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

    Started by zax, 11-20-2012 01:57 PM
    • Replies: 0
    • Views: 7,670
    zax
    11-20-2012, 01:57 PM Go to last post
  7. Sticky Thread Sticky: Intake FAQ

    Started by EJ257, 04-09-2013 09:07 PM
    • Replies: 0
    • Views: 11,616
    04-09-2013, 09:07 PM Go to last post
  8. Sticky Thread Sticky: Blowoff Valve (BOV) FAQ

    Started by Sinister, 07-11-2013 10:55 PM
    • Replies: 2
    • Views: 16,144
    zax
    07-19-2013, 08:13 AM Go to last post
  9. Sticky Thread Sticky: Water/Methanol Injection FAQ

    Started by EJ257, 04-06-2010 08:04 AM
    2 Pages
    1 2
    • Replies: 29
    • Views: 50,662
    01-22-2014, 06:56 PM Go to last post
  10. Sticky Thread Sticky: Fuel System 101 FAQ

    Started by adam@kronosperformance, 06-30-2011 11:16 AM
    • Replies: 7
    • Views: 21,435
    01-10-2015, 09:47 AM Go to last post
  11. 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: 76,329
    02-12-2015, 03:16 AM Go to last post
  12. 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: 274,982
    11-24-2015, 08:58 PM Go to last post
  13. Sticky Thread Sticky: Exhaust FAQ

    Started by EJ257, 03-30-2010 03:30 PM
    11 Pages
    1 2 3 4 5 ... 11
    • Replies: 161
    • Views: 85,376
    01-09-2017, 12:03 PM Go to last post
  14. 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: 96
    • Views: 79,374
    01-18-2017, 08:23 PM Go to last post
  15. Sticky Thread Sticky: "The BIG BOV thread" (Where all bov question threads get merged)

    Started by p7r4e7y, 05-21-2001 07:34 AM
    798 Pages
    1 2 3 4 5 ... 798
    • Replies: 11,960
    • Views: 1,148,402
    01-25-2017, 02:02 PM Go to last post
  16. Sticky Thread Sticky: Exhaust Video/Sound Clips

    Started by TurnWRX, 03-29-2004 10:37 PM
    39 Pages
    1 2 3 4 5 ... 39
    • Replies: 572
    • Views: 405,687
    04-16-2017, 10:16 AM Go to last post
  1. 2015 + Spec-D exhuast ?

    Started by SubimikeWRX, 04-11-2017 01:55 AM
    • Replies: 3
    • Views: 201
    04-11-2017, 11:06 PM Go to last post
    • Replies: 7
    • Views: 182
    04-12-2017, 11:48 AM Go to last post
  2. Why is my car so quiet?

    Started by jimbobborg, 04-11-2017 09:19 AM
    • Replies: 8
    • Views: 348
    04-12-2017, 12:02 PM Go to last post
    • Replies: 12
    • Views: 533
    04-13-2017, 08:12 AM Go to last post
    • Replies: 3
    • Views: 242
    04-13-2017, 10:40 AM Go to last post
    • Replies: 3
    • Views: 158
    04-13-2017, 02:34 PM Go to last post
  3. Valve control Exhaust - LOUD V. Silent

    Started by amjadrahim, 04-16-2017 10:20 AM
    • Replies: 6
    • Views: 204
    04-17-2017, 08:39 AM Go to last post
  4. Looking for a tuning shop in the New Hampshire area

    Started by ike206, 04-13-2017 12:17 PM
    • Replies: 3
    • Views: 169
    04-17-2017, 10:01 AM Go to last post
  5. Red face Sad engine sound :(

    Started by Abdallah, 04-18-2017 05:42 AM
    • Replies: 1
    • Views: 179
    04-18-2017, 06:05 AM Go to last post
  6. Is a K&N air filter worth it?

    Started by shawncmil, 02-03-2002 02:34 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 12,378
    04-24-2017, 12:38 PM Go to last post
  7. What do I need to go stage 1?

    Started by RileyKirk, 04-22-2017 12:37 PM
    • Replies: 10
    • Views: 463
    04-25-2017, 06:34 AM Go to last post
    • Replies: 7
    • Views: 359
    04-25-2017, 10:48 AM Go to last post
  8. Need opinions - DAM fluctuating

    Started by 1badtie, 04-15-2017 03:01 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 569
    04-30-2017, 05:01 AM Go to last post
  9. Delicious Stage 1 Tune 2015/16 WRX

    Started by gnormand9, 02-23-2017 11:22 AM
    • Replies: 2
    • Views: 361
    05-01-2017, 03:53 PM Go to last post
  10. GReddy Type S

    Started by npicolo87, 05-03-2017 08:15 AM
    • Replies: 11
    • Views: 282
    zax
    05-05-2017, 08:10 AM Go to last post
  11. FA20 fail?

    Started by the.wrx, 04-28-2017 10:22 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 710
    05-08-2017, 11:25 AM Go to last post
  12. First Mod, Catback Exhaust: Magnaflow Street 15471?

    Started by OZMartini, 05-10-2017 08:04 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 469
    05-12-2017, 06:45 AM Go to last post
    • Replies: 1
    • Views: 259
    05-15-2017, 01:51 PM Go to last post
    • Replies: 3
    • Views: 191
    05-17-2017, 10:44 AM Go to last post
  13. Electric Exhaust Cutout help

    Started by 09SilverWRX, 05-18-2017 08:59 PM
    • Replies: 3
    • Views: 180
    zax
    05-19-2017, 06:30 AM Go to last post
  14. 2009 SPT Exhaust and Resonator Question

    Started by Josh0979, 12-26-2009 01:59 PM
    • Replies: 1
    • Views: 1,054
    05-21-2017, 12:20 AM Go to last post
  15. Opinions on blown turbo situation

    Started by kris142b, 05-21-2017 09:59 AM
    • Replies: 5
    • Views: 196
    05-22-2017, 09:47 AM Go to last post
  16. External Wastegate

    Started by tuapola93, 04-21-2017 05:22 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 454
    05-23-2017, 03:34 PM Go to last post
  17. Smile 2015 wrx list of parts about to put on. Needing tips.

    Started by 2015navywrx, 05-07-2017 10:14 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 550
    Today, 02:20 PM Go to last post
  18. Charge pipe & stage 2 question 2017 wrx

    Started by Golds318, Today 09:46 AM
    • Replies: 2
    • Views: 95
    Today, 03:05 PM Go to last post

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