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

94K

Sticky 2013-2014 Focus ST Safety Recall 14S17

13

9K

2014 Focus ST3 Screen

0

45

Focus ST CV Joint/Rear wheel Hub assembly

0

131

Need help desperately!

2

315

15mm Eibach Spacers

0

76

by rzvnx

Speed meter not working 2004 ST170

2

23

288

2

510

Need help with my ST

0

97

by FloppyDorito345

Headlight Upgrades

0

185

Low pressure quick disconnect fuel line

1

158

ST inside cabin noise compared to Tianium

1

221

0

150

2015 ST fog lights

0

154

2014 no crank no start

0

152

MK3 racing - wheel bearings

1

237

DRLs and tail lights flicker off after turning engine on.

1

326

Se to st conversion

7

10K

by Chilledreaction

Thumping Noise PLEASE HELP!!!

3

393

by GSmobile2018

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

2

29

3K

Trunk Seam Rust.

0

150

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

0

238

Transmission Fluid

2

227

by zacautomotive

Transmission whining

2

189

17x7 wheels on 2014 ST

6

790

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

0

169

Mileage on Fost engines?

2

28

2K

Focus ST3 Projector HID headlights upgrade to 35 watts

7

5K

5

1K

ST D3S Headlamp Issues

5

332

Headlamp Fault with Aftermarket Headlights

4

501

under engine felt cover

11

1K

Helpful hint for the shifter upgrade process.

0

460

by p58ff

Vibrating Front Brakes just prior to Full Stop

2

223

How to code out Adaptive Headlights on 2016 Focus ST

0

737

06 Focus ZX4 ST Rear Disc Spindle... Where to buy

7

422

Choosing WMI nozzle

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229

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