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.

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.

Free Shipping
30-Day Returns
I

Injector Dynamics

Injector Dynamics 2600-XDS Injectors - 48mm Length - 14mm Top - 14mm Lower O-Ring (Set of 5)

I

Injector Dynamics

Injector Dynamics USCAR to EV1 PnP Adapter

G

Garrett Turbos

Garrett GTX3071R Gen II Turbo Assembly Kit V-Band / V-Band 0.83 A/R

I

Injector Dynamics

Injector Dynamics 2600-XDS Injectors - 60mm Length - 14mm Top - Denso Lower Cushion (Set of 6)

Injector Dynamics auto part

Injector Dynamics

Injector Dynamics Denso EV1 PnP Adapter

B

BorgWarner

BorgWarner Turbocharger K16 Ford Focus II RS 2.5L Replacement

I

Injector Dynamics

Injector Dynamics 2600-XDS Injectors - 60mm Length - 14mm Purple Top - 14mm Lower O-Ring (Set of 5)

Garrett Turbos auto part

Garrett Turbos

Garrett PowerMax Turbocharger 13-18 Ford 2.0L EcoBoost Stage 1 Upgrade Kit

BorgWarner auto part

BorgWarner

BorgWarner Ford 2.0L EcoBoost / 12-13 Land Rover Evoque 2.0T Service Replacement Turbocharger

G

Garrett Turbos

Garrett Focus ST Air / Air Intercooler CAC Core (26.30in x 7.80in x 4.30in) - 800 HP

B

BMC

BMC 05+ Ford Focus II 2.5T ST Carbon Dynamic Airbox Kit

Walbro Fuel Pump/Filter Assembly

Walbro

Walbro Fuel Pump/Filter Assembly

W

Wagner Tuning

Wagner Tuning Ford Focus ST MK4 2.3 Ecoboost Competition Intercooler Kit

B

BMC

BMC 2009 Ford Focus II 2.5 T RS Oval Trumpet Airbox Kit

W

Weapon R

Weapon R 03 Ford Focus SVT 2.0L 4cyl Secret Weapon Intake

C

COBB

Cobb 13-18 Ford Focus ST Stage 1 + Carbon Fiber Power Package

Turbosmart black auto part

Turbosmart

Turbosmart IWG75 Ford EcoBoost 12 PSI Black Internal Wastegate Actuator

W

Weapon R

Weapon R 00-03 Ford Focus ZX3 DOHC 4cyl / Focus ZTEC 2.0L Neo Titanium Secret Weapon Intake

Weapon R intake system

Weapon R

Weapon R Mazda 6 2.0L / Mazda 3 2.3L / Ford Focus Throttle Body Intake Manifold Thermal Gasket

C

COBB

Cobb 13-18 Ford Focus ST Stage 1+ Power Package

COBB black auto part

COBB

Cobb 16-18 Ford Focus RS Stage 2 Power Package - Black

W

Weapon R

Weapon R 2013 Ford Focus ST 2.0L Turbo Stealth Secret Weapon Intake-Flat Black

C

COBB

Cobb 16-18 Ford Focus RS Stage 1+ Carbon Fiber Power Package

C

COBB

Cobb Ford 16-18 Focus RS / 13-18 Focus ST Redline Carbon Fiber Air Scoop

C

COBB

Cobb 13-18 Ford Focus ST Stage 2 Power Package

C

COBB

Cobb 13-18 Ford Focus ST Stage 2 Carbon Fiber Power Package

W

Weapon R

Weapon R 04-07 Ford Focus / 03-07 Mazda 6/Mazda 3 Alum Sheet Metal Intake Manifold *NEO TI Color*

W

Weapon R

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

W

Weapon R

Weapon R 13-14 Ford Focus ST 2.0L Turbo Secret Weapon Intake

Injen black auto part

Injen

Injen 16-20 Chevy Camaro SS 6.2L / 11-20 Dodge Charger 5.7L/6.4L X-Pedal Pro Black Edition Throttle

DeatschWerks fuel pump

DeatschWerks

DeatschWerks Ford Focus MK2 RS DW430C 430lph Compact Fuel Pump

DeatschWerks auto part

DeatschWerks

DeatschWerks Ford/Volvo 2.5L 5 Cyl. Fuel Rails

Injen intercooler

Injen

Injen 16-18 Ford Focus RS L4-2.3L Turbo Bar and Plate Front Mount Intercooler

Injector Dynamics auto part

Injector Dynamics

Injector Dynamics 1340cc Injectors - 60mm Length - 14mm Purple Top - 14mm Lower O-Ring (Set of 4)

Pedal Commander auto part

Pedal Commander

Pedal Commander Ford/Land Rover/Lincoln/Mazda Throttle Controller

Grams Performance auto part

Grams Performance

Grams Performance 550cc Focus ZXT/ SVT/ RS/ SVO/ Super Coupe/ 2.3T INJECTOR KIT

Injector Dynamics auto part

Injector Dynamics

Injector Dynamics 1700cc Injectors - 60mm Length - 14mm Purple Top - 14mm Lower O-Ring (Set of 5)

Grams Performance auto part

Grams Performance

Grams Performance 1150cc Focus ZXT/ SVT/ RS/ SVO/ Super Coupe/ 2.3T INJECTOR KIT

Injector Dynamics auto part

Injector Dynamics

Injector Dynamics ID1050X Injectors 14mm (Purple) Top (Set of 4)

Wagner Tuning intercooler

Wagner Tuning

Wagner Tuning 2012+ Ford Focus MK3 ST250 2.0L Competition Intercooler

Grams Performance auto part

Grams Performance

Grams Performance 1600cc Focus ZXT/ SVT/ RS/ SVO/ Super Coupe/ 2.3T INJECTOR KIT

Grams Performance auto part

Grams Performance

Grams Performance 750cc Focus ZXT/ SVT/ RS/ SVO/ Super Coupe/ 2.3T INJECTOR KIT

Victor Reinz intake system

Victor Reinz

MAHLE Original 12-14 Ford 2.0L Vin 9 Intake Manifold Set

Victor Reinz auto part

Victor Reinz

MAHLE Original Fuel Injector O-Ring Kit

Wagner Tuning intercooler

Wagner Tuning

Wagner Tuning Ford Focus RS MK3 Competition Intercooler Kit

Victor Reinz intake system

Victor Reinz

MAHLE Original Ford Focus 04-00 Intake Manifold Set

Grams Performance auto part

Grams Performance

Grams Performance 1000cc Focus ZXT/ SVT/ RS/ SVO/ Super Coupe/ 2.3T INJECTOR KIT

BMC air filter

BMC

BMC 07-10 Ford C-Max 1.6L Replacement Cylindrical Air Filter

Victor Reinz throttle body

Victor Reinz

MAHLE Original Ford Escape 04-01 Throttle Body Gasket

Victor Reinz intake system

Victor Reinz

MAHLE Original Ford Escape 04-01 Intake Manifold Set

Victor Reinz throttle body

Victor Reinz

MAHLE Original Ford Escape 15-09 Throttle Body Gasket

Victor Reinz throttle body

Victor Reinz

MAHLE Original Ford Escape 08-05 Throttle Body Gasket

Moroso catch can

Moroso

Moroso 15-18 Ford Mustang EcoBoost Air/Oil Separator Catch Can - Small Body - Billet Aluminum

Mishimoto black intercooler

Mishimoto

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

Injen red intercooler

Injen

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

Injen polished intake system

Injen

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

Turbosmart black auto part

Turbosmart

Turbosmart IWG75 Ford EcoBoost 7 PSI Black Internal Wastegate Actuator

Radium Engineering auto part

Radium Engineering

Radium Engineering 13+ Ford Focus ST/ 15+ Ford Focus RS Fuel Surge Tank Install Kit

Snow Performance auto part

Snow Performance

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

K&N Engineering intake system

K&N Engineering

K&N 10 Ford Focus L4-2.0L Typhoon Short Ram Intake

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