Focus ST | Focus Fanatics Forum

Focus ST Performance

The place to chat about the 2.0L EcoBoost engine performance, tuning and exhaust related upgrades for the Focus ST.

Sticky Share Your ST

14 15 16

300

95K

Sticky 2013-2014 Focus ST Safety Recall 14S17

13

9K

Need help desperately!

3

430

Manual Transmission swap 05 ST 5 speed to SVT 6 speed

4

84

Performance chip

1

85

New turbo no boost

0

74

by Dave B

Mods for Stock Focus ST

1

142

by zacautomotive

Knocking noise inside the car

1

118

by pbfoot

Rear CLUNK passenger side 2007 ST with only 15k

5

269

by pbfoot

SE to ST rear bumper valance

1

211

by Stanced_focus

2018 clutch...wait, what else now...?!

1

179

2014 Focus ST3 Screen

0

161

Focus ST CV Joint/Rear wheel Hub assembly

0

209

15mm Eibach Spacers

0

124

by rzvnx

Speed meter not working 2004 ST170

2

23

359

2

585

Need help with my ST

0

136

by FloppyDorito345

Headlight Upgrades

0

249

Low pressure quick disconnect fuel line

1

181

ST inside cabin noise compared to Tianium

1

251

0

194

2015 ST fog lights

0

195

2014 no crank no start

0

172

MK3 racing - wheel bearings

1

277

DRLs and tail lights flicker off after turning engine on.

1

374

Se to st conversion

7

10K

by Chilledreaction

Thumping Noise PLEASE HELP!!!

3

435

by GSmobile2018

Oi changed and engine runs better. Every time I change it.

2

29

3K

Trunk Seam Rust.

0

202

FL-910 S to FL-500 S Oil Filter Swap?

0

287

Transmission Fluid

2

267

by zacautomotive

Transmission whining

2

238

17x7 wheels on 2014 ST

6

869

Question and possible issue with new rear Hawk HPS pads and new OEM stock rotors

0

207

Mileage on Fost engines?

2

28

3K

Focus ST3 Projector HID headlights upgrade to 35 watts

7

5K

5

1K