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.

Weapon R
Weapon R 00-03 Ford Focus ZX3 DOHC Dragon Intake

Turbosmart
Turbosmart 12-19 Ford Focus ST(MK3) 2.0L EcoBoost Kompact Plumb Back Diverter Valve (Shortie)

Injen
Injen16-18 Ford Focus RS Wrinkle Black Cold Air Intake

Injen
Injen 16-18 Ford Focus RS Polished Cold Air Intake

Mishimoto
Mishimoto 2016+ Ford Focus RS Baffled Oil Catch Can Kit - Black

Turbosmart
Turbosmart IWG75 Ford Focus RS (t) 2.5L 7 PSI Black Internal Wastegate Actuator

Mishimoto
Mishimoto 2016+ Ford Focus RS Intercooler (I/C ONLY) - Silver

K&N Engineering
K&N Performance Intake Kit for Ford C-Max/Focus II / Volvo C30/S40/V40/V50/V70 / Mazda 3/5

Injen
Injen 13-18 Ford Focus ST L4 2.0L Turbo SES Intercooler Pipes Wrinkle Black

K&N Engineering
K&N 12 Ford Focus 2.0L Typhoon Performance Intake

Weapon R
Weapon R 03-06 Ford Focus 2.3L 4cyl Secret Weapon Intake

DeatschWerks
DeatschWerks 340lph DW300C Compact Fuel Pump w/ Ford Focus MK2 RS Set Up Kit (w/o Mounting Clips)

DeatschWerks
DeatschWerks Ford Focus MK2 ST/RS 05-10 1000cc Injectors - Set of 5

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

K&N Engineering
K&N 02-04 Ford Focus SVT Red Typhoon Short Ram Intake

K&N Engineering
K&N Performance Intake Kit FORD FOCUS II ST 2.5L 20V TURBO

COBB
COBB Redline Carbon Fiber Intake System - 2013-2018 Ford Focus ST / 2016-2018 Ford Focus RS

Nitrous Express
Nitrous Express - FORD 4 CYL NITROUS PLATE SYSTEM-2.3L ECOBOOST W/ 12LB BOTTLE - 20954-12

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

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

K&N Engineering
K&N Performance Intake Kit TYPHOON; FORD FOCUS, L4-2.3L, 03-07 (POLISHED)

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

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

Injen
Injen 12 Ford Focus 2.0L 4cyl Black Air Intake w/ MR Tech, Web Nano-Fiber Dry Filter & Heat Shield

Radium Engineering
Radium Engineering 2013+ Ford Focus ST/ 16+ Focus RS Port Injection Kit

COBB
Cobb 13-18 Ford Focus ST Sound Symposer Delete - Stealth Black

Nitrous Express
Nitrous Express - FORD EFI DUAL NOZZLE (100-300HP) WITH COMPOSITE BOTTLE - 20115-12

Volant
Closed Box Air Intake w/ Cold Air Scoop 04-08 Ford F-150 5.4L V8 Volant

Turbosmart
Turbosmart BOV Kompact VR09 Plumb Back Ford Fiesta 1.0L Ecoboost

Turbosmart
Turbosmart 2015+ Ford Mustang Ecoboost Boost Reference Adapter - Black

Go Fast Bits
GFB Diverter Valve DV+ 2017+ Ford Focus RS

Mishimoto
Mishimoto 2016 Ford Focus RS 2.3L Performance Air Intake Kit - Wrinkle Nitrous Blue

K&N Engineering
K&N 07-09 Ford Focus L4-2.0L Typhoon Short Ram Intake

Go Fast Bits
GFB VTA Blow off Valve 2012+ Ford Focus ST 2.0L Ecoboost (AU Spec)

Injen
Injen 13-14 Ford Focus ST 2.0L (t) 4cyl Black Short Ram Intake w/MR Tech & Heat Shield

COBB
Cobb 13-15 Ford Focus ST Cold Air Intake Adapter

DeatschWerks
DeatschWerks Ford Focus MK2 ST/RS 05-10 650cc Injectors - Set of 5

Mishimoto
Mishimoto 13-16 Ford Focus ST 2.0L Performance Air Intake Kit - Polished

Turbosmart
Turbosmart BOV Kompact Dual Port - 2016 Ford Focus RS 2.3L

Go Fast Bits
GFB Diverter Valve DV+ Suits Ford / Volvo / Porsche / Borg Warner Turbos (Direct Replacement)

Radium Engineering
Radium Engineering Catch Can Kit Crankcase 2016+ Focus RS Fluid Lock

K&N Engineering
K&N 13 Ford Focus ST L4-2.9L F/I Typhoon Performance Intake

K&N Engineering
K&N 02-03 Ford Focus SVT Polished Typhoon Short Ram Intake

Ford Racing
Ford Racing 16-17 Focus RS Cold Air Intake Box

Mishimoto
Mishimoto 2016+ Ford Focus RS Intercooler Pipe Kit - Black

Nitrous Express
Nitrous Express - ALL FORD EFI SINGLE NOZZLE SYSTEM WITH COMPOSITE BOTTLE - 20922-12

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

Spectre
Spectre Air Flow Sensor Mount 3in. w/Collar - Chrome

K&N Engineering
K&N Ford/GM/Dodge Throttle Control Module

Weapon R
Weapon R 02-04 Ford Focus SVT 2.0L Dragon Intake

Go Fast Bits
GFB VTA Valve 2016+ Ford Focus RS

DeatschWerks
DeatschWerks Ford Focus MK2 RS DW65C 265lph Compact In-Tank Fuel Pump w/Install Ki

Mishimoto
Mishimoto 2016+ Ford Focus RS Performance Intercooler Kit - Silver

Snow Performance
Snow Performance Stg 2 Boost Cooler 13-18 Ford Focus ST Water Inj Kit (SS Braided Line/4AN Fittings)

Weapon R
Weapon R 03 Ford Focus SVT 2.0L Dragon Intake Polished

Mishimoto
Mishimoto 13-16 Ford Focus ST 2.0L Performance Air Intake Kit - Wrinkle Black

COBB
Cobb 13-18 Ford Focus ST V2 Front Mount Intercooler

Mishimoto
Mishimoto 2016+ Ford Focus RS Intercooler (I/C ONLY) - Black

COBB
COBB Cold Air Intake - 2013-2018 Ford Focus ST

Ford Racing
Ford Racing 13-17 Focus ST FR1 Power Upgrade Pack
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