Performance Tuning

Forum to discuss all things related to adding performance tunes to the Ford Fiesta ST.
F
Exhaust Q/A?
Replies
3
Views
1,839
BiigMe
BiigMe
S
What mods qualify for stage 3 tune
2
Replies
24
Views
13,552
M-Sport fan
M-Sport fan
RubenZZZ
Anyone still tuning Fiestas with SCT? 8/17/16
2
Replies
25
Views
8,994
BronxBomber
BronxBomber
M
Don't laugh for me asking but....tune and warranty question....
2
Replies
29
Views
9,996
CanadianGuy
CanadianGuy
A
Used fiesta st with mods
Replies
4
Views
2,373
CanadianGuy
CanadianGuy
Sourskittle
Boomba TB spacer + mistumoto cold pipe
Replies
18
Views
5,476
M-Sport fan
M-Sport fan
Loganwept
Stage 3 stock airbox
Replies
7
Views
2,893
Loganwept
Loganwept
Tanner77
What is the best tune for my car?
Replies
10
Views
6,931
frankiefiesta
frankiefiesta
B
hit the dyno yesterday
2
Replies
22
Views
7,879
M-Sport fan
M-Sport fan
Mchris2725
Can I run 87 octane fuel on a 93 octane tune?
Replies
9
Views
7,807
T
Tiralful
R
COBB AP ATR install file.
Replies
2
Views
2,310
R
Racer83L
BoostBumps
Stratified: Snap, Crackle, and Pop Exhaust Tuning (Video)
2
Replies
20
Views
16,917
posts
posts
M-Sport fan
Is a real anti-lag system too impractical/destructive for a street driven FiST?
Replies
13
Views
9,844
M-Sport fan
M-Sport fan
XuperXero
No boost?
2 3
Replies
41
Views
28,191
XuperXero
XuperXero
C
Does the Cobb Stage 1 tune have some kind of 'limp mode'?
Replies
14
Views
6,132
NJFiST
NJFiST
BoostBumps
COBB v400 Maps Released / COBB AP Firmware Update 1.7.3.0-12701
Replies
10
Views
6,512
P
parapraxis24
BoostBumps
COBB AccessTuner Race - New Update Release Announcements
Replies
12
Views
7,210
44sg44
44sg44
M
Need a e30 tune!
Replies
11
Views
4,152
S
supachin
OffTheWall503
2016 FiST Dyno Run (Stock vs Livernois Motorsports) - 219whp / 277tq
2 3
Replies
57
Views
17,180
8
808FiST
ChuckL
Filled half the gas tank with the wrong octane...I should be okay, right?
Replies
4
Views
3,864
C
Chrisklol
M
MAPerformance Stage 1 Tune for purchase?
Replies
11
Views
4,070
M
Mike V
haste
Datalogging NGK LTR7IX-11 vs Denso ITV22
Replies
12
Views
16,609
dyn085
dyn085
S
Torco
Replies
6
Views
2,725
S
Siestarider
S
Torco
Replies
1
Views
1,528
chalituna
chalituna
D
Cobb AP temp readings
Replies
1
Views
1,570
B
bisscrac
codestp202
Is a V3 Accessport universal to any car that uses the V3?
Replies
10
Views
21,743
S
supachin
SeanBonham
Cobb Stage 1 91 Octane Negative Ignition Correction
Replies
4
Views
3,781
SeanBonham
SeanBonham
3
How bad are these numbers for a stage 3 FiST?
Replies
4
Views
3,001
daloonie
daloonie
ChuckL
Cobb AccessPort Launch-Control Question
Replies
2
Views
4,294
ChuckL
ChuckL
B
what to do with mp215/mr230 handheld unit
Replies
6
Views
3,276
meFiSTo
meFiSTo
FistSt215
Cobb AP V3 stuck on do not disconnect screen
Replies
13
Views
9,040
LilPartyBox
LilPartyBox
OffTheWall503
Resetting ECU and KAM before flashing
Replies
12
Views
9,398
OffTheWall503
OffTheWall503
SafetyGuy
Question regarding Custom Tune
Replies
7
Views
3,655
LilPartyBox
LilPartyBox
C
OTS maps effect traction control? Drive with ESC disabled?
2
Replies
22
Views
6,108
Ryephile
Ryephile
ParsonsArmu
Launch Control - Cobb OTS
Replies
2
Views
1,916
ParsonsArmu
ParsonsArmu
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