Performance Tuning

Forum to discuss all things related to adding performance tunes to the Ford Fiesta ST.
C
What to monitor
Replies
10
Views
5,295
koozy
koozy
dyn085
Self-Tuning to ease the boredom.
2 3 4 5
Replies
84
Views
32,523
dyn085
dyn085
I
Power loss after installing COBB stage 1!?!?
2
Replies
34
Views
14,639
maperformance
maperformance
speed racer
Cold air intake or K&N filter
2 3
Replies
48
Views
25,962
staynumz
staynumz
Phil_R
Octane - 94 w/ up to 10% ethanol - any issues?
Replies
4
Views
2,838
Phil_R
Phil_R
C
Sedox Performance
Replies
2
Views
3,660
C
chriST
C
How intelligent are our ECUs at learning?
Replies
11
Views
5,391
dyn085
dyn085
MegaBuster
alternative stage 1 maps?
2 3
Replies
50
Views
14,062
MegaBuster
MegaBuster
BoostBumps
COBB AccessPort - New Firmware Release Announcements
Replies
12
Views
5,973
FearTheSnail
FearTheSnail
MegaBuster
what output for timing retard?
Replies
2
Views
1,922
dyn085
dyn085
V
BOOSTane
Replies
0
Views
1,943
V
vlaST
R
Power loss calulator or factor needed for density altitude
Replies
4
Views
1,933
R
RAAMaudio
M
E85 or E30
Replies
3
Views
2,175
Hijinx
Hijinx
W
AP Question
Replies
1
Views
1,485
dyn085
dyn085
P
Any afternarket turbo back exhaust system that bolts to the stock exhaust?
Replies
6
Views
3,619
Hijinx
Hijinx
C
Removing Injen and going back to AP Cobb panel?
Replies
4
Views
2,387
dyn085
dyn085
BoostBumps
New AP Firmware Update Released - Auto On / Off Feature
2 3
Replies
53
Views
15,570
me32
me32
C
How much do you think?
Replies
4
Views
3,034
C
Calfiesta987
Lizzardmax
Question for those of you who have Dyno
Replies
3
Views
2,219
DHM1
DHM
D
Talked with Mishimoto today
Replies
9
Views
3,204
C
Chuckable
C
Whats the difference between 2.5" and 3" exhausts?
Replies
11
Views
5,522
JPGC
JPGC
C
Huge variations in torque output based on minor temp changes???
Replies
9
Views
4,098
koozy
koozy
pwnall1337
Timing pulled and engine knocking cobb stage 3 Package + OTS map
Replies
12
Views
7,954
R
Randy@mountune
MAT
What's the deal with Shift Assist?
Replies
5
Views
3,968
Hijinx
Hijinx
T
cobb stage 1 vs stock focus st?
Replies
13
Views
15,222
Ghostwhite
Ghostwhite
dyn085
False Knock or nah?
2 3
Replies
59
Views
22,560
I
iso100
Snailmail
Cobb ap
Replies
2
Views
1,883
T
TruConspiracy
M
Has anyone tuned for Torco Racing additives? Like for 95-98 octane?
Replies
19
Views
6,065
R
RAAMaudio
hot_hatch
AP question
Replies
1
Views
1,721
BryanD
BryanD
M
Any good tuner shops in Upstate NY/NJ area?
Replies
4
Views
3,036
M
MikeyTwins
H
Pillar gauges anyone?
Replies
3
Views
2,107
FistSt215
FistSt215
Lizzardmax
??!! 25 psi !!??
Replies
8
Views
6,067
dyn085
dyn085
D
Thinking about an AP
2
Replies
33
Views
11,048
BryanD
BryanD
lessard.dcj
Turbo Pulsing under high boost conditions in 4-6 gear
Replies
8
Views
4,022
Sourskittle
Sourskittle
wwuchris
Mountune/Panda/Freektune - how long between map revisions?
Replies
11
Views
4,808
airjor13
airjor13
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