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
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
CATEGORIES
Top product categories for the Ford Focus
BRANDS
Top brands for Ford Focus builds
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.

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

Mishimoto
Mishimoto 2013+ Ford Focus ST Intercooler Pipe Kit - Polished

COBB
Ford Focus ST Stage 1 Power Package w/V3

COBB
Cobb 13+ Ford Focus ST Air Filter

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

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

COBB
COBB Intercooler Hard Pipe Kit - 2016-2018 Ford Focus RS
Ford Racing
Ford Racing 2013-2014 Focus ST Calibration Spark Plugs and Cold Air Intake

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

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

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

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

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

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

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

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

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

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

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

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

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

K&N Engineering
FORD C-MAX L4-1.6L F/I 2007-2017

Mahle
Mahle Engine Air Filter LX 798 1

AMERICANAUTO
STRUT BAR CRX F88-91

STANDARD IGN
FUEL FEED LINE

Walker Products Inc. - Sensors
THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors
EXHAUST GAS RECIRCULATION (EGR) PRE

MOTORAD
FUEL CAP

Walker Products Inc. - Sensors
ENGINE CAMSHAFT POSITION SENSOR
MOTORAD
LOCKING GAS CAP

MOTORAD
FUEL CAP

Walker Products Inc. - Sensors
MANIFOLD ABSOLUTE PRESSURE SENSOR

MOTORAD
FUEL CAP

Walker Products Inc. - Sensors
ENGINE CAMSHAFT POSITION SENSOR

Walker Products Inc. - Sensors
WALKER PRODUCTS 270-1122 PIGTAIL

STANDARD IGN
THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors
THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors
ELECTRICAL PIGTAIL

Walker Products Inc. - Sensors
MANIFOLD ABSOLUTE PRESSURE SENSOR

Walker Products Inc. - Sensors
THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors
OXYGEN SENSOR

Walker Products Inc. - Sensors
VEHICLE SPEED SENSOR

Walker Products Inc. - Sensors
ENGINE MANAGEMENT
MOTORAD
FUEL CAP
STANDARD IGN
HI PRESS FUEL PUMP

Walker Products Inc. - Sensors
VEHICLE SPEED SENSOR

MOTORAD
LOCKING FUEL CAP

Walker Products Inc. - Sensors
IGNITION KNOCK (DETONATION) SENSOR

MOTORAD
THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors
VEHICLE SPEED SENSOR

Walker Products Inc. - Sensors
ENGINE COOLANT TEMPERATURE SENSOR

STANDARD IGN
PCV VLV

Walker Products Inc. - Sensors
THROTTLE POSITION SENSOR

Walker Products Inc. - Sensors
MANIFOLD ABSOLUTE PRESSURE SENSOR

Walker Products Inc. - Sensors
ENGINE CYLINDER HEAD TEMPERATURE SE

Walker Products Inc. - Sensors
AIR CHARGE TEMPERATURE SENSOR

STANDARD IGN
PIGTAIL

STANDARD IGN
EXHAUST GAS RECIRCULATION PRESSURE
STANDARD IGN
FUEL INJECTOR CONNECTOR CLIP

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