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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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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NTK MASS AIR FLOW SENSOR

NGK

NTK MASS AIR FLOW SENSOR

W

Walbro

FUEL PUMP

N

NGK

ACCELERATION SENSOR

B

Boomba Racing

MAVERICK FUEL RAIL

Ford Racing auto part

Ford Racing

INDUCTION KIT BLK FOCUS 2016

F

Ford Racing

INDUCTION KIT BLUE FOCUS 2016

F

Ford Racing

MT INDUCTION KIT BLACK - FOCUS ST

FOCUS INTERCOOLER CHARGE PIPE BLK

Ford Racing

FOCUS INTERCOOLER CHARGE PIPE BLK

B

Boomba Racing

Boomba Racing Stage 1 Catch Can Kit Black Ford Ranger 2.3 Ecoboost

Ford Racing blue charge pipe

Ford Racing

MOUNTUNE CHARGE PIPE UPGRADE -BLUE

Boomba Racing SRT-4 Fuel Rail Red

Boomba Racing

Boomba Racing SRT-4 Fuel Rail Red

Boomba Racing Intake Manifold Spacer Red Hyundai Veloster N 2019

Boomba Racing

Boomba Racing Intake Manifold Spacer Red Hyundai Veloster N 2019

Boomba Racing Ford Fusion 1.6/2.0/AWD Rear Motor Mount-Natural

Boomba Racing

Boomba Racing Ford Fusion 1.6/2.0/AWD Rear Motor Mount-Natural

B

Boomba Racing

FOCUS ST CATCH CAN STAGE 1 - BLUE

BOSCH WIDE-BAND OXYGEN SENSOR

Bosch

BOSCH WIDE-BAND OXYGEN SENSOR

C

COBB

Cobb Tuning Ford Front Mount Intercooler Kit Black Focus RS 2016-2018

INTL INTAKE KIT FORD

K&N Engineering

INTL INTAKE KIT FORD

I

Industrial Injection

GTX2860R Gen II Turbocharger Serv

Gates Fuel Tank Cap System Tester/Adapter

Gates

Gates Fuel Tank Cap System Tester/Adapter

O2 OXYGEN SENSOR

Denso

O2 OXYGEN SENSOR

WRX FUEL RAIL - RED

Boomba Racing

WRX FUEL RAIL - RED

COBB silver intercooler

COBB

Cobb Tuning Ford Front Mount Intercooler Kit Silver Focus RS 2016-2018

G

Gates

Gates 3/8in x 17/32in x 17 3/4in

B

Boomba Racing

Boomba Racing Universal Catch Can-Natural

K

K&N Engineering

GEN2 INTAKE KIT FORD

B

Bosch

OXYGEN SENSOR

D

Dorman

AIR FILTER BOX

T

Turbosmart

Turbine Housing (66mm) V-Band (Reverse Rotation) 0.82AR

K

K&N Engineering

TYPHOON FOCUS BLUE

K&N Engineering silver auto part

K&N Engineering

TYPHOON FOCUS SILVER

K&N Engineering auto part

K&N Engineering

~(4.1 lbs. 9X9X9)~ FORD FOCUS RS L4-2.0L F/I. 2002-2004

GDI FUEL INJECTOR

Bosch

GDI FUEL INJECTOR

GDI FUEL INJECTOR

Bosch

GDI FUEL INJECTOR

BALL HOUSING

Bosch

BALL HOUSING

OXYGEN SENSOR

Bosch

OXYGEN SENSOR

Turbosmart auto part

Turbosmart

Turbosmart 11-12 Ford F150 3.5L EcoBoost / 12-19 Ford Focus ST Kompact Dual Port BOV (Shortie)

Injen black intake system

Injen

Injen 15-18 Ford Focus ST 2.0L (t) 4cyl Black Short Ram Intake w/MR Tech & Heat Shield

K&N Engineering air filter

K&N Engineering

K&N Replacement Air Filter FORD C-MAX 1.6L-L4; 2007

Turbosmart auto part

Turbosmart

Turbosmart BOV Kompact Shortie Plumb Back - 2016 Ford Focus RS 2.3L

Injen red intake system

Injen

Injen 15-18 Ford Focus ST 2.0L (t) 4cyl Wrinkle Red Short Ram Intake w/ MR Tech & Heat Shield

Turbosmart auto part

Turbosmart

Turbosmart BOV Kompact VR09 Dual Port Ford Fiesta 1.0L Ecoboost

Industrial Injection auto part

Industrial Injection

Industrial Injection 13-18 Ford EcoBoost 2.0L New Stock Replacement Turbo

M

Mahle

Mahle OE Ford/Lincoln 2.0 Turbocharger Oil Drain Tube Gasket

Go Fast Bits auto part

Go Fast Bits

GFB Whistling Trumpet VTA for Ford EcoBoost

Gates 13-17 Ford Focus 4-Cyl. 2.0L Vent Valve/Hose - Oil Separator To Intake Crankcase Vent Valves

Gates

Gates 13-17 Ford Focus 4-Cyl. 2.0L Vent Valve/Hose - Oil Separator To Intake Crankcase Vent Valves

Gates 13-17 Ford Focus 4-Cyl. 2.0L Valve Cover To Intake Tube Emission Control Hose

Gates

Gates 13-17 Ford Focus 4-Cyl. 2.0L Valve Cover To Intake Tube Emission Control Hose

Gates intake system

Gates

Gates 08-11 Ford Focus 4-Cyl. 2.0L PCV Valve To Intake Emission Control Hose

Gates 13-18 Ford Focus 4-Cyl. 2.0L Turbo Oil Feed Line Turbocharger Oil Line

Gates

Gates 13-18 Ford Focus 4-Cyl. 2.0L Turbo Oil Feed Line Turbocharger Oil Line

BorgWarner auto part

BorgWarner

BorgWarner 14-20 Ford 1.5L EcoBoost OE Replacement Turbocharger (DS7G6K682CA/F1FG6K682A)

C

COBB

Cobb 13-18 Ford Focus ST Air Oil Separator

Fel-Pro auto part

Fel-Pro

Fel-Pro 15-17 Ford F-150/07-12 Mustang Fuel Injector O-Ring Kit

Fel-Pro throttle body

Fel-Pro

Fel-Pro Ford Focus 61391 Fuel Injection Throttle Body Mounting Gasket

Fel-Pro throttle body

Fel-Pro

Fel-Pro Ford Focus 61253 Fuel Injection Throttle Body Mounting Gasket

Fel-Pro throttle body

Fel-Pro

Fel-Pro Ford Focus 61159 Fuel Injection Throttle Body Mounting Gasket

F

Fel-Pro

Fel-Pro Ford Focus 61157 Fuel Injection Throttle Body Mounting Gasket

Fel-Pro auto part

Fel-Pro

Fel-Pro Ford Escape ES 73118 Fuel Injector O-Ring Kit

Fel-Pro auto part

Fel-Pro

Fel-Pro Ford F-150 Fuel Injection Idle Air Control Valve Gasket

Green Filter air filter

Green Filter

Green Filter USA - Cone Filter; ID 3", H 5", OD-B 6", OD-T 5"

Green Filter air filter

Green Filter

Green Filter USA - Ford Focus 2.0L 2007-2017

Flowmaster cold air intake

Flowmaster

Delta Force Performance Air Intake Carb Compliant Fits 2015-2018 Ford Focus St With 2.0L Turbo Engine Only Fits 2015 Models With The Air Temp Style Sensor. Carb Compliant Under Eo # D-698-7 Flowmaster

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.

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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