Performance Tuning

Forum to discuss all things related to adding performance tunes to the Ford Fiesta ST.
9
COBB vs Mountune for eliminating Shift Assist / Rev Hang
2 3
Replies
45
Views
26,717
FiestaSTdude
FiestaSTdude
T
Electronic turbosmart plumb back bov making unwanted noise.
Replies
0
Views
913
T
Tomhal1
P
Mountune TDN invite code..
Replies
1
Views
876
B
BIGICCCCE
P
results X47 turbo
Replies
1
Views
1,463
lemonjs
lemonjs
S
Opinions on Datalog
Replies
0
Views
748
S
sleepyboijoe
A
2014 Fiesta ST Cobb Stage 3 map
Replies
5
Views
1,527
A
Arriba_ST
Dohm
Looking for in person tuner near Valley/NorCal
Replies
4
Views
1,675
XR650R
XR650R
Fiestastix
My X48R turbo is too loud with my current intake...
Replies
7
Views
2,184
Fiestastix
Fiestastix
E
Thinking about a Cobb Accessport
Replies
5
Views
2,291
G
green_henry
unspankable
Guess my horsepower
Replies
9
Views
2,237
R
ryanvue
isis
Climate control is bonkers after Accessport install
Replies
5
Views
1,672
Intuit
Intuit
T
MK8.5 Fiesta St - Bin file extraction - Please help
Replies
0
Views
933
T
TimG3
L
How much faster is a s280 build vs stage 2
2 3
Replies
51
Views
22,968
thecman02
thecman02
S
Negative Ignition Correction When Hitting a Bump
Replies
2
Views
1,353
isis
isis
M
Charge air temps
Replies
7
Views
5,843
M
Mega ST
B
Air Fuel Ratio
Replies
16
Views
21,012
Y
yyinast
A
Centralina
Replies
0
Views
712
A
Andrea
D
High reving
Replies
7
Views
1,966
Dialcaliper
Dialcaliper
L
Help with muffler size
Replies
7
Views
2,739
L
ledzz1
J
Stage 1 remap
Replies
3
Views
4,387
Cneu
Cneu
CrazychrisST
Bad or good tune
Replies
3
Views
1,364
CrazychrisST
CrazychrisST
Yelbom15
TuneWerks First Tune
Replies
6
Views
2,459
Yelbom15
Yelbom15
KaiShiden96
K and N COLD AIR INTAKE - HIGH-FLOW, ROTO-MOLD TUBE from a 2015 to a 2016
Replies
2
Views
2,018
Dialcaliper
Dialcaliper
D
Tune help
Replies
2
Views
1,370
dhminer
dhminer
Mike_D
Recent purchase with Cobb AccessPort mods
Replies
6
Views
1,638
dhminer
dhminer
unspankable
Forscan and Shift light
Replies
2
Views
2,717
unspankable
unspankable
7
Ecu illuminati Tuning suit
2
Replies
24
Views
9,128
TyphoonFiST
TyphoonFiST
V
California Smog check
2
Replies
32
Views
13,620
Dialcaliper
Dialcaliper
J
Induction kit ITG
Replies
3
Views
3,785
MauiRoads
MauiRoads
513fist
Master reset
Replies
0
Views
1,077
513fist
513fist
M
MK8 Fiesta ST limited to 5k after remap
Replies
0
Views
1,569
M
Mk8ST_Harry
Stkid93
Part throttle boost aka part throttle super boost
Replies
3
Views
1,716
Dialcaliper
Dialcaliper
Stkid93
Dizzy flash tune vs pro tune
Replies
4
Views
2,161
Stkid93
Stkid93
NOVA_Ranger
Experience with Livernois 93 tune?
2
Replies
36
Views
8,303
NOVA_Ranger
NOVA_Ranger
dhminer
MP215 transferable?
Replies
6
Views
1,781
Capri to ST
Capri to ST
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