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.

NGK
NTK MASS AIR FLOW SENSOR
Walbro
FUEL PUMP
NGK
ACCELERATION SENSOR
Boomba Racing
MAVERICK FUEL RAIL

Ford Racing
INDUCTION KIT BLK FOCUS 2016
Ford Racing
INDUCTION KIT BLUE FOCUS 2016
Ford Racing
MT INDUCTION KIT BLACK - FOCUS ST

Ford Racing
FOCUS INTERCOOLER CHARGE PIPE BLK
Boomba Racing
Boomba Racing Stage 1 Catch Can Kit Black Ford Ranger 2.3 Ecoboost

Ford Racing
MOUNTUNE CHARGE PIPE UPGRADE -BLUE

Boomba Racing
Boomba Racing SRT-4 Fuel Rail Red

Boomba Racing
Boomba Racing Intake Manifold Spacer Red Hyundai Veloster N 2019

Boomba Racing
Boomba Racing Ford Fusion 1.6/2.0/AWD Rear Motor Mount-Natural
Boomba Racing
FOCUS ST CATCH CAN STAGE 1 - BLUE

Bosch
BOSCH WIDE-BAND OXYGEN SENSOR
COBB
Cobb Tuning Ford Front Mount Intercooler Kit Black Focus RS 2016-2018

K&N Engineering
INTL INTAKE KIT FORD
Industrial Injection
GTX2860R Gen II Turbocharger Serv

Gates
Gates Fuel Tank Cap System Tester/Adapter

Denso
O2 OXYGEN SENSOR

Boomba Racing
WRX FUEL RAIL - RED

COBB
Cobb Tuning Ford Front Mount Intercooler Kit Silver Focus RS 2016-2018
Gates
Gates 3/8in x 17/32in x 17 3/4in
Boomba Racing
Boomba Racing Universal Catch Can-Natural
K&N Engineering
GEN2 INTAKE KIT FORD
Bosch
OXYGEN SENSOR
Dorman
AIR FILTER BOX
Turbosmart
Turbine Housing (66mm) V-Band (Reverse Rotation) 0.82AR
K&N Engineering
TYPHOON FOCUS BLUE

K&N Engineering
TYPHOON FOCUS SILVER

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

Bosch
GDI FUEL INJECTOR

Bosch
GDI FUEL INJECTOR

Bosch
BALL HOUSING

Bosch
OXYGEN SENSOR

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

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

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

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

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

Turbosmart
Turbosmart BOV Kompact VR09 Dual Port Ford Fiesta 1.0L Ecoboost

Industrial Injection
Industrial Injection 13-18 Ford EcoBoost 2.0L New Stock Replacement Turbo
Mahle
Mahle OE Ford/Lincoln 2.0 Turbocharger Oil Drain Tube Gasket

Go Fast Bits
GFB Whistling Trumpet VTA for Ford EcoBoost

Gates
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 Valve Cover To Intake Tube Emission Control Hose

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

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

BorgWarner
BorgWarner 14-20 Ford 1.5L EcoBoost OE Replacement Turbocharger (DS7G6K682CA/F1FG6K682A)
COBB
Cobb 13-18 Ford Focus ST Air Oil Separator

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

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

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

Fel-Pro
Fel-Pro Ford Focus 61159 Fuel Injection Throttle Body Mounting Gasket
Fel-Pro
Fel-Pro Ford Focus 61157 Fuel Injection Throttle Body Mounting Gasket

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

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

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

Green Filter
Green Filter USA - Ford Focus 2.0L 2007-2017

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.
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