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.

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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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Turbosmart black auto part

Turbosmart

Turbosmart IWG75 2016+ Ford Focus RS 2.3L 12 PSI Black Internal Wastegate Actuator

Mishimoto polished intercooler

Mishimoto

Mishimoto 2013+ Ford Focus ST Intercooler Pipe Kit - Polished

COBB auto part

COBB

Ford Focus ST Stage 1 Power Package w/V3

COBB air filter

COBB

Cobb 13+ Ford Focus ST Air Filter

Weapon R intake system

Weapon R

Weapon R 12 Ford Focus 4cyl 2.0L Secret Weapon Intake

Injen polished intercooler

Injen

Injen 13-18 Ford Focus ST L4 2.0L Turbo SES Intercooler Pipes Polished Finish

COBB intercooler

COBB

COBB Intercooler Hard Pipe Kit - 2016-2018 Ford Focus RS

F

Ford Racing

Ford Racing 2013-2014 Focus ST Calibration Spark Plugs and Cold Air Intake

Radium Engineering auto part

Radium Engineering

Radium Engineering 13+ Ford Focus ST/ 16+ Focus RS Coolant Tank Kit

AEM cold air intake

AEM

AEM C.A.S 15-18 Ford Focus L4-1.6L F/I Cold Air Intake

AEM cold air intake

AEM

AEM 13-18 Ford Focus 2.0L L4 F/I (Non Turbo) Cold Air Intake

AEM gunmetal cold air intake

AEM

AEM 12 Ford Focus 2.0L L4 Gunmetal Grey Cold Air Intake

AEM gunmetal cold air intake

AEM

AEM 16-18 Ford Focus RS L4-2.3L F/I Gunmetal Gray Cold Air Intake

AEM cold air intake

AEM

AEM Cold Air Intake System C.A.S. FORD FOCUS 02-04 SVT

aFe black intercooler

aFe

aFe Bladerunner 2.5in Intercooler Hot and Cold Side Tubes, 13-14 Ford Focus ST 2.0L (t) *Black*

aFe red intercooler

aFe

aFe BladeRunner 2.5in Red Intercooler Tube Cold Side 12-16 Ford Focus ST 2.0L (t)

aFe red intercooler

aFe

aFe BladeRunner 2.5in Red Intercooler Tube Hot Side 12-16 Ford Focus ST 2.0L (t)

aFe red intercooler

aFe

aFe BladeRunner 2.5in Red Intercooler Tubes Hot and Cold Side 12-16 Ford Focus ST 2.0L (t)

aFe auto part

aFe

aFe Takeda Stage-2 P5R AIS 16-17 Ford Focus RS L4-2.3L EcoBoost

aFe intake system

aFe

aFe Takeda Intakes Stage-2 PDS AIS 16-17 Ford Focus RS L4-2.3L EcoBoost

aFe black intercooler

aFe

aFe Bladerunner 2.5in Intercooler Cold Side Tubes, 13-14 Ford Focus ST 2.0L (t) *Black*

FORD C-MAX L4-1.6L F/I 2007-2017

K&N Engineering

FORD C-MAX L4-1.6L F/I 2007-2017

Mahle Engine Air Filter LX 798 1

Mahle

Mahle Engine Air Filter LX 798 1

STRUT BAR CRX F88-91

AMERICANAUTO

STRUT BAR CRX F88-91

FUEL FEED LINE

STANDARD IGN

FUEL FEED LINE

THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors

THROTTLE POSITION SENSOR

EXHAUST GAS RECIRCULATION (EGR) PRE

Walker Products Inc. - Sensors

EXHAUST GAS RECIRCULATION (EGR) PRE

FUEL CAP

MOTORAD

FUEL CAP

ENGINE CAMSHAFT POSITION SENSOR

Walker Products Inc. - Sensors

ENGINE CAMSHAFT POSITION SENSOR

M

MOTORAD

LOCKING GAS CAP

FUEL CAP

MOTORAD

FUEL CAP

MANIFOLD ABSOLUTE PRESSURE SENSOR

Walker Products Inc. - Sensors

MANIFOLD ABSOLUTE PRESSURE SENSOR

FUEL CAP

MOTORAD

FUEL CAP

ENGINE CAMSHAFT POSITION SENSOR

Walker Products Inc. - Sensors

ENGINE CAMSHAFT POSITION SENSOR

WALKER PRODUCTS 270-1122 PIGTAIL

Walker Products Inc. - Sensors

WALKER PRODUCTS 270-1122 PIGTAIL

STANDARD IGN auto part

STANDARD IGN

THROTTLE POSITION SENSOR

THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors

THROTTLE POSITION SENSOR

ELECTRICAL PIGTAIL

Walker Products Inc. - Sensors

ELECTRICAL PIGTAIL

MANIFOLD ABSOLUTE PRESSURE SENSOR

Walker Products Inc. - Sensors

MANIFOLD ABSOLUTE PRESSURE SENSOR

THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors

THROTTLE POSITION SENSOR

OXYGEN SENSOR

Walker Products Inc. - Sensors

OXYGEN SENSOR

VEHICLE SPEED SENSOR

Walker Products Inc. - Sensors

VEHICLE SPEED SENSOR

ENGINE MANAGEMENT

Walker Products Inc. - Sensors

ENGINE MANAGEMENT

M

MOTORAD

FUEL CAP

S

STANDARD IGN

HI PRESS FUEL PUMP

VEHICLE SPEED SENSOR

Walker Products Inc. - Sensors

VEHICLE SPEED SENSOR

MOTORAD auto part

MOTORAD

LOCKING FUEL CAP

IGNITION KNOCK (DETONATION) SENSOR

Walker Products Inc. - Sensors

IGNITION KNOCK (DETONATION) SENSOR

MOTORAD auto part

MOTORAD

THROTTLE POSITION SENSOR

VEHICLE SPEED SENSOR

Walker Products Inc. - Sensors

VEHICLE SPEED SENSOR

ENGINE COOLANT TEMPERATURE SENSOR

Walker Products Inc. - Sensors

ENGINE COOLANT TEMPERATURE SENSOR

STANDARD IGN auto part

STANDARD IGN

PCV VLV

THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors

THROTTLE POSITION SENSOR

MANIFOLD ABSOLUTE PRESSURE SENSOR

Walker Products Inc. - Sensors

MANIFOLD ABSOLUTE PRESSURE SENSOR

ENGINE CYLINDER HEAD TEMPERATURE SE

Walker Products Inc. - Sensors

ENGINE CYLINDER HEAD TEMPERATURE SE

AIR CHARGE TEMPERATURE SENSOR

Walker Products Inc. - Sensors

AIR CHARGE TEMPERATURE SENSOR

STANDARD IGN auto part

STANDARD IGN

PIGTAIL

STANDARD IGN exhaust

STANDARD IGN

EXHAUST GAS RECIRCULATION PRESSURE

S

STANDARD IGN

FUEL INJECTOR CONNECTOR CLIP

DELPHI auto part

DELPHI

MANIFOLD ABSOLUTE PRESSURE SENSOR

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