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Forum: Performance Tuning

Forum to discuss all things related to adding performance tunes to the Ford Fiesta ST.

Forum: Performance Tuning

  1. Poll Sticky Thread Sticky: Poll: POLL: What Tune are you using on your Fiesta ST?

    Started by BoostBumps, 09-30-2016 11:18 AM
    16 Pages
    1 2 3 4 5 6 7 8 9 ... 16
    • Replies: 158
    • Views: 47,706
    danbfree
    06-14-2018, 09:56 AM Go to last post
  2. Sticky Thread Sticky: Running FiST with E85 Blends - Discussion Thread

    Started by koozy, 04-08-2015 12:35 AM
    17 Pages
    1 2 3 4 5 6 7 8 9 ... 17
    • Replies: 162
    • Views: 57,101
    LILIKE16ST
    04-12-2018, 09:17 PM Go to last post
  3. Sticky Thread Sticky: Virtual Dyno Results Thread

    Started by ryst, 09-27-2014 09:50 AM
    25 Pages
    1 2 3 4 5 6 7 8 9 ... 25
    • Replies: 249
    • Views: 74,922
    brbauer2
    02-03-2018, 07:01 AM Go to last post
  4. Sticky Thread Sticky: The ULTIMATE Dyno / V-Dyno Thread

    Started by frankiefiesta, 12-21-2016 03:15 PM
    5 Pages
    1 2 3 4 5
    • Replies: 40
    • Views: 18,984
    hispirish
    01-14-2018, 10:33 AM Go to last post
  5. Sticky Thread Sticky: COBB AccessPort FAQ and Info Thread

    Started by BoostBumps, 10-02-2016 12:07 AM
    • Replies: 2
    • Views: 6,511
    92FOX
    10-14-2016, 09:09 PM Go to last post
  1. Cobb Stage 3 tuned & Dyno results

    Started by wraith, 11-27-2017 12:42 PM
    • Replies: 8
    • Views: 1,385
    me32
    Today, 10:15 AM Go to last post
  2. Be really careful running ethanol (E30, E40, etc.)

    Started by JPGC, 01-24-2015 06:15 PM
    7 Pages
    1 2 3 4 5 6 7
    • Replies: 69
    • Views: 25,912
    FireRedFiesta
    Yesterday, 02:57 PM Go to last post
  3. How Necessary is a Rear Motor Mount?

    Started by Jadar, 06-15-2018 09:14 AM
    4 Pages
    1 2 3 4
    • Replies: 30
    • Views: 1,421
    danbfree
    06-19-2018, 10:53 AM Go to last post
  4. Poll Poll: Poll: How many have blown a FiST engine?

    Started by frankiefiesta, 01-19-2017 01:03 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 56
    • Views: 32,971
    Intuit
    06-16-2018, 08:16 PM Go to last post
  5. Stratified Burlble tune..

    Started by Jadar, 05-26-2018 10:41 AM
    7 Pages
    1 2 3 4 5 6 7
    • Replies: 64
    • Views: 2,074
    danbfree
    06-15-2018, 11:58 AM Go to last post
  6. Probably stupid question regarding fluctuating weather...

    Started by meekestboaster, 06-13-2018 05:43 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 375
    TyphoonFiST
    06-13-2018, 11:27 PM Go to last post
  7. Freektune Tomorrow :)

    Started by Intervention302, 06-12-2018 11:40 PM
    • Replies: 1
    • Views: 219
    Intervention302
    06-13-2018, 09:30 PM Go to last post
  8. Increase low RPM torque?

    Started by MeeLee, 06-10-2018 08:05 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 810
    SlowDunny
    06-12-2018, 10:57 PM Go to last post
  9. Cobb OTS Stage 2 tune vs Custom tune???

    Started by Zombie, 05-23-2018 02:21 PM
    • Replies: 7
    • Views: 527
    Xaendeau
    06-09-2018, 01:16 AM Go to last post
  10. Stage 1 tune comparison

    Started by redmoe, 01-17-2018 10:08 PM
    16 Pages
    1 2 3 4 5 6 7 8 9 ... 16
    • Replies: 150
    • Views: 12,913
    bustervic
    06-06-2018, 11:11 AM Go to last post
  11. Cobb OTS stage 1 91 time and E85 mix???

    Started by ruSTy, 06-02-2018 12:59 PM
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 843
    danbfree
    06-04-2018, 03:57 PM Go to last post
  12. DiabloSport Now Supports Fiesta ST

    Started by BoostBumps, 10-01-2016 09:01 AM
    4 Pages
    1 2 3 4
    • Replies: 30
    • Views: 7,717
    M-Sport fan
    06-04-2018, 12:50 PM Go to last post
  13. Choosing Tune and Mods Question?

    Started by Jadar, 05-14-2018 10:48 AM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 1,314
    bradktn
    06-03-2018, 06:23 AM Go to last post
  14. Full Recirculation Bypass Valve - Boomba Racing

    Started by Boomba Racing, 09-08-2016 05:02 PM
    8 Pages
    1 2 3 4 5 6 7 8
    • Replies: 78
    • Views: 19,178
    CSM
    05-31-2018, 09:23 PM Go to last post
  15. What tune should I buy

    Started by citru_ST, 02-18-2018 02:04 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 1,973
    danbfree
    05-30-2018, 04:31 PM Go to last post
  16. Where did you get your Cobb AP?

    Started by JimRN, 05-20-2018 04:48 PM
    • Replies: 6
    • Views: 322
    Truth in Ruin
    05-26-2018, 12:25 PM Go to last post
  17. Used FiST tune?

    Started by rileyfox, 05-25-2018 07:28 AM
    • Replies: 7
    • Views: 337
    ranger024x4
    05-25-2018, 09:57 AM Go to last post
  18. Cobb officially supports '18 models

    Started by LuvPug, 05-24-2018 12:43 PM
    • Replies: 2
    • Views: 231
    LuvPug
    05-24-2018, 01:12 PM Go to last post
  19. I went Catless for free this weekend lol

    Started by Erick_V, 05-22-2018 05:58 PM
    • Replies: 7
    • Views: 435
    Erick_V
    05-22-2018, 06:41 PM Go to last post
  20. FMIC really necessary?

    Started by apex1, 11-08-2017 10:47 AM
    5 Pages
    1 2 3 4 5
    • Replies: 48
    • Views: 6,799
    alexrex20
    05-16-2018, 04:02 PM Go to last post
  21. Would a AP3 from a Focus ST have the OTS maps for a Fiesta ST?

    Started by RubenZZZ, 05-14-2018 02:20 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 499
    redmoe
    05-15-2018, 01:53 PM Go to last post
  22. Fuel Options

    Started by fiestadam, 05-12-2018 06:30 AM
    • Replies: 1
    • Views: 223
    Meowoosh
    05-12-2018, 08:09 AM Go to last post
  23. Ignition Correction

    Started by triplegriff, 05-10-2018 06:27 PM
    • Replies: 1
    • Views: 251
    jtehh
    05-10-2018, 07:30 PM Go to last post
  24. Fiesta st bov resistance

    Started by fiestaST3, 05-08-2018 06:35 PM
    • Replies: 0
    • Views: 224
    fiestaST3
    05-08-2018, 06:35 PM Go to last post
  25. Cobb AP vs. Mountune AP vs Mountune MP215/230

    Started by JonM in MN, 03-31-2016 02:41 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 3,560
    HAHAFiST
    04-29-2018, 07:04 PM Go to last post
  26. Stage 3ish tune

    Started by Existentialism, 04-27-2018 11:52 PM
    • Replies: 2
    • Views: 262
    Existentialism
    04-28-2018, 12:04 AM Go to last post
  27. Cobb Accessport help !

    Started by vixenlotus, 04-01-2018 01:08 PM
    • Replies: 2
    • Views: 381
    LITTLEVADER
    04-21-2018, 09:51 PM Go to last post
  28. Pro Tunes/Best Tuner??

    Started by FromChaos79, 02-27-2018 12:28 PM
    4 Pages
    1 2 3 4
    • Replies: 37
    • Views: 3,415
    Speedboosted
    04-20-2018, 04:28 PM Go to last post
  29. Ethanol Sensor Install

    Started by Erbarry, 03-16-2017 10:53 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,543
    redsilvy
    04-17-2018, 06:05 PM Go to last post
    • Replies: 22
    • Views: 1,175
    bustervic
    04-15-2018, 12:55 PM Go to last post
  30. Flowmaster Delta Boost module - 4 psi boost gain for $239

    Started by danbfree, 04-02-2018 02:03 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 55
    • Views: 3,282
    danbfree
    04-13-2018, 09:34 PM Go to last post
  31. Stage 2 tune help

    Started by Smoke627, 03-26-2018 07:02 PM
    • Replies: 2
    • Views: 432
    Smoke627
    03-26-2018, 09:02 PM Go to last post
  32. Removing Accessport in Stage3

    Started by Tk288, 03-19-2018 10:40 AM
    • Replies: 9
    • Views: 886
    XanRules
    03-23-2018, 04:29 PM Go to last post
  33. Stock Air Filter Fit In MP215 Airbox

    Started by Capri to ST, 12-21-2017 01:25 PM
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 3,238
    ZREXER
    03-19-2018, 08:05 AM Go to last post
  34. JST Performance anyone?

    Started by jeff, 03-19-2018 06:10 AM
    • Replies: 3
    • Views: 512
    Woods247
    03-19-2018, 08:05 AM Go to last post
  35. Stratified 91 vs 93

    Started by The_Ryan, 03-15-2018 09:56 AM
    • Replies: 4
    • Views: 615
    apex1
    03-15-2018, 11:35 AM Go to last post
  36. Question Used Accessport question...

    Started by MikesFiST, 03-08-2018 08:45 PM
    • Replies: 6
    • Views: 580
    apex1
    03-09-2018, 08:43 AM Go to last post
  37. bluefin stage 2

    Started by FiestaIL, 01-24-2018 03:39 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,487
    drg
    03-04-2018, 07:22 AM Go to last post
  38. How many tunes can the Cobb AP hold?

    Started by spdkills83, 02-24-2018 08:10 AM
    • Replies: 9
    • Views: 717
    Kalter
    02-28-2018, 07:48 AM Go to last post
  39. E30 tune. Am I missing out?

    Started by alexrex20, 07-30-2017 09:49 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 54
    • Views: 10,979
    redmoe
    02-26-2018, 09:15 PM Go to last post
  40. Innovative Performance Chip

    Started by kenweise, 02-22-2018 02:50 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,126
    danbfree
    02-23-2018, 10:07 AM Go to last post
  41. Is the Cobb cai really worth it??

    Started by shelbydave, 11-25-2017 05:54 PM
    • Replies: 3
    • Views: 844
    me32
    02-23-2018, 10:05 AM Go to last post
  42. Perrin WMI install PWI-2

    Started by Sourskittle, 02-28-2015 09:17 AM
    7 Pages
    1 2 3 4 5 6 7
    • Replies: 63
    • Views: 18,210
    Agostini
    02-20-2018, 05:59 PM Go to last post

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