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.

Extreme Turbo Systems
ETS Intercooler Red Finish Ford Focus RS

Extreme Turbo Systems
ETS Front Mount Intercooler Silver Ford Focus RS 2016

Extreme Turbo Systems
ETS Subaru WRX 22 Titanium Intake

Boomba Racing
FOCUS ST RS WING RISER KIT - RED

Boomba Racing
FORD 2.0 EB BLOW OFF VALVE - RED
Bosch
ASSEMBLY CONTROL BOX (ELEC.)

Bosch
OXYGEN SENSOR

Bosch
GDI FUEL INJECTOR

Bosch
FUEL PUMP ASSEMBLY
Bosch
FUEL PUMP ASSEMBLY

Bosch
FUEL PUMP ASSEMBLY

Hella
FUEL FEED UNIT

DeatschWerks
DeatschWerks Power Sports Fuel Injectors Polaris Ranger 800 2011-2014 RZR 800 2011-2014

Hella
FUEL PUMP UNIT

K&N Engineering
INTL INTAKE KIT FORD
K&N Engineering
GEN2 INTAKE KIT SUBARU
K&N Engineering
FORD FOCUS 1.8I/2.0I

K&N Engineering
INTL INTAKE KIT FORD

Boomba Racing
FORD 2.0 EB BLOW OFF VALVE - BLACK

NGK
FUEL INJECTION PRESSURE SENSOR

Ford Racing
INTERCOOLER - BLACK FOCUS

Bosch
TIRE BEAD SEATER

Bosch
FUEL PUMP ASSEMBLY

Boomba Racing
CIVIC X WING RISERS - RED

Dorman
FUEL FILLER NECK

NGK
NTK O2 SENSOR WIDEBAND A/F

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

Boomba Racing
FORD 2.0 EB BLOW OFF VALVE - BLUE
Boomba Racing
CIVIC X WING RISERS - BLUE

Boomba Racing
FORD 2.0 EB ADJUSTABLE BOV - BLACK

NGK
NTK MASS AIR FLOW SENSOR

NGK
NTK EA0001 PRESSURE SENSOR

Boomba Racing
Boomba Focus RS Blow Off Valve-Black
Boomba Racing
Boomba Racing Mustang Ecoboost Full Recirculating Bypass Valve-Natural

Hella
FUEL FEED UNIT
Boomba Racing
Boomba Racing Mustang Ecoboost/V6 Rear Vertical Links-Black

NGK
FUEL INJECTION PRESSURE SENSOR

Boomba Racing
Boomba Racing SRT-4 Fuel Rail Black

Snow Performance
VC-MAF/25 COMBO
Boomba Racing
Boomba Racing Rear Motor Mount Red Ford Focus ST 2013
Boomba Racing
TYPE R STAGE 1 CATCH CAN KIT - BLUE
Boomba Racing
FORD 2.0L 2.3L EB INTAKE MANIFOLD SPACER - NATURAL
Boomba Racing
STI 75MM THROTTLE BODY - BOLT ON - NATURAL

Bosch
FUEL PUMP MODULE
Boomba Racing
FORD 2.0 EB ADJUSTABLE BOV - NATURAL

Hella
SWITCHOVER VALVE MODULE

Denso
OXYGEN SENSOR 4 WIRE DIRECT FIT H
Boomba Racing
FOCUS RS BYPASS VALVE - BLUE

Boomba Racing
FORD 2.0 EB ADJUSTABLE BOV - BLUE

Boomba Racing
FORD 2.0 EB ADJUSTABLE BOV - RED

Bosch
FUEL PUMP ASSEMBLY

Bosch
OXYGEN SENSOR

Ford Racing
FILTER PERFORMANCE FOCUS 16-17
Bosch
R410A MANIF 60' ENVIRO 45 VALVES

Boomba Racing
FORD 2.0 EB BLOW OFF VALVE - NATURAL

Bosch
OXYGEN SENSOR
K&N Engineering
Cold Air Induction Ram Air: 2003-2004 Ford Focus; 63 Series Air Charger Intake Kits
Dorman
FUEL TANK

Walbro
FUEL PUMP

Walbro
FUEL PUMP
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