ST AND RS — FORD'S HOT HATCH

From the original SVT Focus to the EcoBoost ST and RS — Ford's compact performance answer.

Ford Focus HERITAGE

FORD'S HOT-HATCH HERITAGE

The Ford Focus became Ford's compact-platform performance car. The original SVT Focus (2002–2004) launched the lineage; the EcoBoost-era ST (2.0L turbo) brought it mainstream; the limited Focus RS (2.3L EcoBoost with AWD) became the hot-hatch enthusiasts begged for.

MOTORMIA Focus builds split between SVT first-gens, ST 2.0T bolt-ons, and RS AWD turbo monsters with stage-3 tunes, fuel-system upgrades, and built turbos. The EcoBoost engine shares aftermarket with the Mustang EcoBoost.

Ford Focus ON MOTORMIA

THE NUMBERS

2,833
Parts that fit
2,000+
MOTORMIA Builds
EBC
#1 brand by SKUs
$551
Average MSRP

READY TO BUILD YOUR FORD FOCUS?

Pick your year and trim to shop verified-fit Ford Focus parts.

Shop all Ford Focus parts →

Verified Fitment

Ford Focus Category air and fuel Parts

642 parts available

Shop aftermarket parts for the Ford Focus. Verified fitment, free shipping, 30-day returns.

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30-Day Returns
Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

D

Dorman

FUEL PRESSURE SENSOR

Dorman auto part

Dorman

TURBOCHARGER

AIR CHECK VALVE

Dorman

AIR CHECK VALVE

Dorman control arms

Dorman

CONTROL ARM

F

Flowmaster

AIR INTAKE

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

S

Steeda

Focus ST Cold Air Intake 15-18

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

W

WIX

AIR FILTER MIN ORDER QTY1

PURGE SOLENOID

Dorman

PURGE SOLENOID

Boomba Racing Rear Motor Mount Black Veloster N

Boomba Racing

Boomba Racing Rear Motor Mount Black Veloster N

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Dorman control arms

Dorman

CONTROL ARM W/O BALL

D

Dorman

FUEL PMP DRV MOD

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

FORD 2.0 2.3 EB THROTTLE BODY SPACER - BLACK

Boomba Racing

FORD 2.0 2.3 EB THROTTLE BODY SPACER - BLACK

E

Extreme Turbo Systems

ETS Intercooler w/Stencil Ford Mustang EcoBoost 2015

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems intake system

Extreme Turbo Systems

ETS Intake System Ford Focus RS 2016

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

B

Boomba Racing

FOCUS RS BYPASS VALVE - RED

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Boomba Focus RS Blow Off Valve-Red

Boomba Racing

Boomba Focus RS Blow Off Valve-Red

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

FORD 2.0L 2.3L EB INTAKE MANIFOLD SPACER - RED

Boomba Racing

FORD 2.0L 2.3L EB INTAKE MANIFOLD SPACER - RED

E

Extreme Turbo Systems

ETS Intercooler Purple Finish w/Stencil Ford Focus RS

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Intercooler Black Finish w/Stencil Ford Focus RS

Extreme Turbo Systems intercooler

Extreme Turbo Systems

ETS Intercooler Purple Finish Ford Focus RS

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

ELECTRONIC THROTTLE BODY

Dorman

ELECTRONIC THROTTLE BODY

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems titanium intake system

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems silver intercooler

Extreme Turbo Systems

ETS Front Mount Intercooler Silver Core w/ Logo Ford Focus RS 2016

FAQ

Frequently Asked Questions About the Ford Focus

What are the best aftermarket parts brands for the Ford Focus?

The top brands MOTORMIA owners trust for Ford Focus builds are EBC, PowerStop, Mishimoto, Magnaflow, and H&R. The catalog carries 2,833 parts that fit the Focus. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.

What's the best trim or sub-model of the Ford Focus to modify?

The most-modified Focus trims are SVT Focus, ST, RS. These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the Focus's engine family (Zetec 2.0 (SVT), 2.0L EcoBoost (ST), 2.3L EcoBoost (RS)) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.

What's the typical mod path for a Ford Focus?

For most Ford Focus builds, the recommended modification order is: ECU tune → intake → downpipe → turbo upgrade → fuel system. This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for Ford Focus builds at every power level.

How does the Ford Focus aftermarket compare to the Volkswagen Golf GTI / Honda Civic Si?

The Ford Focus is Ford's compact hot-hatch with the SVT, ST, and RS performance variants. On MOTORMIA, 2,833 parts fit the Focus across 2,000+ active member builds, with an average part MSRP of $551. The decision usually comes down to which platform you own — both have full bolt-on catalogs.

Will any Ford Focus part fit my year and trim?

Not always. The Ford Focus has had multiple generations and engine changes (e.g., Zetec 2.0 (SVT), 2.0L EcoBoost (ST), 2.3L EcoBoost (RS)), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the Focus a part fits. Use the fitment selector at the top of any page to pre-filter to your build.

Does MOTORMIA offer returns on Ford Focus parts?

Yes. Most Ford Focus parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.

MOTORMIA APP

Build your Ford Focus with Mia

Personalized Ford Focus mod recommendations, verified fitment from real Focus owners, and a garage that tracks every part on your build.

  • Mod recommendations tuned to your Focus year, trim, and submodel
  • Verified fitment data from 2,000+ Ford Focus member builds
  • Performance gain estimates based on real-world results
  • Save your garage and track every part you've installed