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.

Radium Engineering
Radium Engineering Dual Catch Can Kit 16-18 Focus RS Fluid Lock

K&N Engineering
K&N Replacement Air Filter - Round Tapered - Universal 5.75in Base OD x 5.938in Top OD x 7.688in H

Turbosmart
Turbosmart Ford Ecoboost 1.5L/1.6L/2.3L/2.7L Kompact EM VR2 Dual Port BOV

Mishimoto
Mishimoto 2013+ Ford Focus ST Gold Intercooler w/ Polished Pipes

DeatschWerks
DeatschWerks 13-16 Ford Focus ST/RS 2.0L/2.3L / 15 Mustang 2.3L EcoBoost 1700cc Injectors (GDI)

Injen
Injen 16-18 Ford Focus RS Special Edition Blue Cold Air Intake

Mishimoto
Mishimoto 2013+ Ford Focus ST Black Intercooler w/ Black Pipes

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

Radium Engineering
Radium Engineering 16+ Ford Focus RS Fuel Filter Kit w/ 10 Micron Stainless Filter

DeatschWerks
DeatschWerks Ford Focus MK2 ST/RS 05-10 550cc Injectors - Set of 5

Radium Engineering
Radium Engineering Fuel Filter Kit w/ 6 Micron Microglass Filter 2016+ Ford Focus RS

Mishimoto
Mishimoto 2016+ Ford Focus RS Performance Air Intake Kit - Polished

COBB
Cobb 16-18 Ford Focus RS Front Mount Intercooler - Black

Mishimoto
Mishimoto 2013+ Ford Focus ST Black Intercooler w/ Polished Pipes

Mishimoto
Mishimoto 2013+ Ford Focus ST Intercooler (I/C ONLY) - Black

K&N Engineering
K&N 2016-2017 Ford Focus RS 2.3L Typhoon Short Ram Intake

Injen
Injen 12 Ford Focus 2.0L 4cyl Polished Air Intake w/MR Tech, Web Nano-Fiber Dry Filter & Heat Shield
BBK
BBK 12-18 Ford Focus ST 2.0L EcoBoost Performance Throttle Body (CARB EO 13-18 Only)

Snow Performance
Snow Performance 13-18 Ford Focus ST Throttle Body Injection Plate

DeatschWerks
DeatschWerks Ford Focus MK2 ST/RS 05-10 750cc Injectors - Set of 5

CSF
CSF 13-16 Ford Escape 2.0L OEM Intercooler

Weapon R
Weapon R 04-07 Ford Focus / 03-07 Mazda 3/6 2.0L cyl Race Sheetmetal Intake Manifold

Go Fast Bits
GFB DVX Fits Ford Focus ST / Volvo / Porsche and Borg-Warner EFR Turbos

Nitrous Express
Nitrous Express - FORD 4 CYL NITROUS PLATE SYSTEM-2.3L ECOBOOST W/ 15LB BOTTLE - 20954-15

Injen
Injen 16-18 Ford Focus RS Wrinkle Red Cold Air Intake

Mishimoto
Mishimoto 2016+ Ford Focus RS Cold Side Intercooler Pipe - Black

Mishimoto
Mishimoto 2016+ Ford Focus RS Performance Air Intake Kit - Wrinkle Black
Turbosmart
Turbosmart Ford Fiesta ST 1.6L / Ford Mustang 2.3L Ecoboost BOV Kompact EM Re-Circ Plumb Back

Mishimoto
Mishimoto 2013+ Ford Focus ST Hot Side Intercooler Pipe Kit - Wrinkle Black

Turbosmart
Turbosmart BOV Kompact Dual Port Shortie VR10 Ford EcoBoost 1.6L

Mishimoto
Mishimoto Ford Focus ST Cold-Side Intercooler Pipe Kit 2013-2018

Turbosmart
Turbosmart IWG75 2016+ Ford Focus RS 2.3L 14 PSI Black Internal Wastegate Actuator

AEM
AEM Induction 13-18 Ford Focus ST 2.0L Cold Air Intake

NGK
NGK Saab 9-2X 2006 Direct Fit 4-Wire A/F Sensor

NGK
NGK Ford Focus 2011-2003 Direct Fit Oxygen Sensor

NGK
NGK Audi A8 Quattro 2009-2008 Direct Fit 5-Wire Wideband A/F Sensor

NGK
NGK Ford Focus 2011-2006 Direct Fit Oxygen Sensor

NGK
NGK Audi A3 2013-2010 Direct Fit 5-Wire Wideband A/F Sensor

NGK
NGK Dodge Ram 2500 2010-2007 Direct Fit 5-Wire Wideband A/F Sensor

NGK
NGK Audi S6 2009-2008 Direct Fit 5-Wire Wideband A/F Sensor

aFe
aFe ProGuard D2 Oil Filter w/ 3/8in Ratchet Drive to Remove Filter 07-11 Jeep Wrangler JK V6-3.8L

aFe
aFe MagnumFLOW OE Replacement Pro DRY S Air Filters 13-14 Ford Focus 2.0L
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