Performance Tuning

Forum to discuss all things related to adding performance tunes to the Ford Fiesta ST.
jodyr
Exhaust upgrade question
Replies
19
Views
4,144
M-Sport fan
M-Sport fan
jodyr
Intercooler question
Replies
8
Views
2,229
XR650R
XR650R
jodyr
Accessport: so many questions
2
Replies
25
Views
8,044
CaptainCheesy
CaptainCheesy
HagWire
Flash Tuning and different stages
Replies
4
Views
1,645
dhminer
dhminer
Magnetic
Is ignition correction what limits the Tunes power?
Replies
18
Views
3,861
J
Jason@dizzytuning
N
Miles till empty reset
Replies
1
Views
2,633
rcarbajal4
rcarbajal4
Teezlr
Highest Stock Turbo Dyno Results?
4 5 6 7 8
Replies
154
Views
70,488
Gogoggansgo
Gogoggansgo
Blanco_ST
Help! Big turbo problems
Replies
10
Views
3,797
dhminer
dhminer
pixelzombie
How does the Cobb Stage 1 tune compare to other OTS tunes?
Replies
7
Views
3,864
M-Sport fan
M-Sport fan
Magnetic
Dyno numbers for Whoosh Hybrid Turbo with minimal mods on 91
2
Replies
27
Views
9,559
Magnetic
Magnetic
Taz
Revo No Stage 3 or 4?
Replies
6
Views
4,512
Fordy Ford
Fordy Ford
M
93 octane tune… but I can only get 94
Replies
7
Views
8,443
Ford ST
Ford ST
C
AFR RATIO
Replies
5
Views
1,905
Old Mike Emerson
Old Mike Emerson
D
Catless to catted tune changes
Replies
10
Views
4,523
L
Lays
Blanco_ST
Best custom E tune as of 2021
Replies
9
Views
4,332
pwnall1337
pwnall1337
lowda9
Randy at mountune must be god
2 3
Replies
44
Views
12,903
M-Sport fan
M-Sport fan
C
Why 4th gear pull?
Replies
10
Views
3,433
Woods247
Woods247
M
Auto Blip
Replies
4
Views
2,167
Woods247
Woods247
J
Considering e30 tune on mrx setup
Replies
9
Views
2,255
B
BlaknBlu
Old Mike Emerson
Anembo Engineering billet intake manifold 2014-2019 Fiesta ST
Replies
5
Views
3,508
Old Mike Emerson
Old Mike Emerson
G
How competitive can a Fiesta ST become w/ Cobb Power?
Replies
2
Views
1,434
RubenZZZ
RubenZZZ
TemecFist
Best hose clamps? Sizes?
2
Replies
26
Views
10,672
TyphoonFiST
TyphoonFiST
B
Scottsdale Dynocomp Dyno Tune on e30
Replies
4
Views
2,929
D
D_D_973
S
CARB requiring OEM tunes now
2 3 4
Replies
66
Views
11,235
M
Mikey456
TemecFist
Amsoil SS 5w30 analysis with E30 and Methanol
Replies
1
Views
1,903
haste
haste
B
Help buying AP from stratified, overwhelming options!
Replies
10
Views
2,568
SrsBsns
SrsBsns
G
How to get more power out of my Fiesta?
Replies
13
Views
3,646
Old Mike Emerson
Old Mike Emerson
D
Turbosmart spring questions?
Replies
5
Views
2,170
J
jomeireh1
C
Transferring Accessport
Replies
2
Views
919
C
CivicAssassin
iGilgamesh
Getting some codes...
Replies
12
Views
2,398
dhminer
dhminer
F
Need Help
Replies
7
Views
1,331
dhminer
dhminer
mark_SC
Broken off Accessport cable release button(s)
Replies
6
Views
2,425
mark_SC
mark_SC
W
AFR around 15.5 at idle
Replies
19
Views
12,185
pwnall1337
pwnall1337
L
Are big turbos worthwhile and hows the reliabilitys
2 3 4 5 6
Replies
113
Views
25,997
AzNightmare
AzNightmare
bangeræng
REVO rt330 ???
Replies
4
Views
2,333
Dpro
Dpro
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