Performance Tuning

Forum to discuss all things related to adding performance tunes to the Ford Fiesta ST.
MegaBuster
alternative stage 1 maps?
2 3
Replies
50
Views
12,513
MegaBuster
MegaBuster
BoostBumps
COBB AccessPort - New Firmware Release Announcements
Replies
12
Views
5,736
FearTheSnail
FearTheSnail
MegaBuster
what output for timing retard?
Replies
2
Views
1,813
dyn085
dyn085
V
BOOSTane
Replies
0
Views
1,833
V
vlaST
R
Power loss calulator or factor needed for density altitude
Replies
4
Views
1,850
R
RAAMaudio
M
E85 or E30
Replies
3
Views
2,093
Hijinx
Hijinx
W
AP Question
Replies
1
Views
1,400
dyn085
dyn085
P
Any afternarket turbo back exhaust system that bolts to the stock exhaust?
Replies
6
Views
3,487
Hijinx
Hijinx
C
Removing Injen and going back to AP Cobb panel?
Replies
4
Views
2,314
dyn085
dyn085
BoostBumps
New AP Firmware Update Released - Auto On / Off Feature
2 3
Replies
53
Views
14,958
me32
me32
C
How much do you think?
Replies
4
Views
2,865
C
Calfiesta987
Lizzardmax
Question for those of you who have Dyno
Replies
3
Views
2,100
DHM1
DHM
D
Talked with Mishimoto today
Replies
9
Views
3,062
C
Chuckable
C
Whats the difference between 2.5" and 3" exhausts?
Replies
11
Views
5,011
JPGC
JPGC
C
Huge variations in torque output based on minor temp changes???
Replies
9
Views
3,877
koozy
koozy
pwnall1337
Timing pulled and engine knocking cobb stage 3 Package + OTS map
Replies
12
Views
7,739
R
Randy@mountune
MAT
What's the deal with Shift Assist?
Replies
5
Views
3,805
Hijinx
Hijinx
T
cobb stage 1 vs stock focus st?
Replies
13
Views
14,724
Ghostwhite
Ghostwhite
dyn085
False Knock or nah?
2 3
Replies
59
Views
21,546
I
iso100
Snailmail
Cobb ap
Replies
2
Views
1,830
T
TruConspiracy
M
Has anyone tuned for Torco Racing additives? Like for 95-98 octane?
Replies
19
Views
5,688
R
RAAMaudio
hot_hatch
AP question
Replies
1
Views
1,600
BryanD
BryanD
M
Any good tuner shops in Upstate NY/NJ area?
Replies
4
Views
2,906
M
MikeyTwins
H
Pillar gauges anyone?
Replies
3
Views
2,032
FistSt215
FistSt215
Lizzardmax
??!! 25 psi !!??
Replies
8
Views
5,891
dyn085
dyn085
D
Thinking about an AP
2
Replies
33
Views
10,690
BryanD
BryanD
lessard.dcj
Turbo Pulsing under high boost conditions in 4-6 gear
Replies
8
Views
3,851
Sourskittle
Sourskittle
wwuchris
Mountune/Panda/Freektune - how long between map revisions?
Replies
11
Views
4,622
airjor13
airjor13
MegaBuster
etune vs ots maps?
Replies
13
Views
6,435
redsilvy
redsilvy
Old Guy
Gauge Setup
Replies
2
Views
2,220
Old Guy
Old Guy
W
e40 Tune, Low HP???
Replies
18
Views
8,718
koozy
koozy
BoostBumps
Cobb AP Firmware / OTS maps / AccessTuner Race - Updates
2 3 4 5
Replies
81
Views
27,704
C
COBB Tuning
C
PumaSpeed?
Replies
13
Views
9,762
C
CroneOne
re-rx7
Just got Pro tuned at Cobb Plano.
2 3 4
Replies
65
Views
19,522
I
iso100
T
Hello FiestaSTForum
2
Replies
25
Views
12,941
thehunnted
thehunnted
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