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 ignitions and electrical Parts
362 parts available
Shop aftermarket parts for the Ford Focus. Verified fitment, free shipping, 30-day returns.
Edge Autosport
CHEVY/GMC 07.5-10 6.6L STAGE 2 PERF
A1 REMFG INC
FORD ENG CONTROL COMP
A1 REMFG INC
COMPUTER 60.00 EM
A1 REMFG INC
FORD ENG CONTROL COMP
A1 REMFG INC
FORD ENG CONTROL COMP
TYC
0507 FD FOCUS 2.0L 2.3L L4 AT (6S) ALT
Edge Autosport
WELD PLATE U/L FLAT CENTE
Edge Autosport
STAGE 2 KITS
Edge Autosport
STAGE 1 KITS

Edge Autosport
STAGE 2 KITS
Edge Autosport
COP CAP, HOLLEY EFI DIST
TYC
STARTER MOTOR FORD FOCUS 2.0L L4 1318

TYC
0004 FD FOCUS 2.0L L4 (Excl. ZETEC Models)(6S)ALT

CP-E (Custom Performance Engineering)
CP-E BMW 3.0 N54 Twin-Turbo 07- Cobb Tuning AccessPORT
A1 REMFG INC
FORD ENG CONTROL COMP
A1 REMFG INC
FORD ENG CONTROL COMP
TYC
1318 FD FOCUS 2.0L L4 (4SC) ALT

TYC
0004 FD FOCUS/9500 CNTUR 2.0L L4 MT STR
TYC
0304 FD FOCUS 2.3L L4 AT (6S) ALT
Jet Performance Products
CONTROL MODULE FORD
Powermaster
Alt Natural Ford 150 Amp

Powermaster
Alternator Ford 100A Upgrade w/1V Pulley Chrm

Metra Electronics
FORD (NON AND AMPLIFIED) DATA INTERFACE W/SWC 2011-UP

Metra Electronics
FORD SWC (STEERING WHEEL CONTROL) AND DATA INTERFACE 201420

Metra Electronics
DSP PACKAGE WITH AXDSP-X, T-HARNESS
Jet Performance Products
JET Ford Module

Metra Electronics
FORD CAN DATA INTERFACE 2007-UP
Jet Performance Products
~(1.6 lbs. 7X7X2)~ V-Force Plus

Pertronix
COIL FLAMETHROWER FORD 2.02.3L ECOBOOST SET OF 4 201220

Metra Electronics
FORD RADIO REPLACEMENT INTERFACE
Metra Electronics
DSP PACKAGE WITH AXDSP-X, T-HARNESS
Metra Electronics
FORD RADIO REPLACEMENT INTERFACE

Hypertech
~(1 lbs. 8X5X2)~ 2011 Ford Mustang GT 5.0 V8 AND 3.7 V6Power Programmer

Dorman
IGN LOCK HOUSING
Dorman
IGNITION LOCK CYLINDER KIT WITH PRO

Dorman
IGNITION LOCK CYLINDER KIT WITH PRO

Dorman
LANE DEPARTURE CAM
Dorman
KEYLESS ENTRY REMOTE
Dorman
BLIND SPOT MOD

Dorman
BATT CURRENT SENSOR
Dorman
INSTRUMENT CLUSTER

Dorman
CLOCK SPRING

NGK
ACCELERATOR PEDAL SENSOR

NGK
NTK ID0135 IGNITION KNOCK SENSOR
RaceChip
PERFORMANCE TUNING CHIP - RS
RaceChip
PERFORMANCE TUNING CHIP - S

Bosch
REMAN ALTERNATOR

Denso
REMANUFACTURED DENSO FIRST TIME FIT
Bosch
SPARK PLUG

Bully Dog
FORD CARS & TRUCKS - GAS & DIESEL E

NGK
NGK 6510 Iridium IX Spark Plugs Mustang GT 5.0L V8 2011-2017 / Focus ST/RS 2013-2017 / Ford F150 Eco
NGK
FUEL LEVEL SENSOR

Denso
SPARK PLUG

Denso
DENSO FIRST TIME FIT STARTER MOTOR

NGK
RAIN SENSOR

RaceChip
PERFORMANCE TUNING CHIP - RS
Gates
Gates Steel V-Ribbed 4 Grooved (52 mm x 16 mm x 40 mm) - Flanged w/ Dust Cap
SCT Performance
~(1.2 lbs. 7X6X4)~ LIVEWIRE TS 1996 - 2015 Ford Gas or Diesel vehicle -POWERSTROKES-

RaceChip
PERFORMANCE TUNING CHIP - S
Bosch
REMAN ALTERNATOR
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