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 exhaust Parts
322 parts available
Shop aftermarket parts for the Ford Focus. Verified fitment, free shipping, 30-day returns.

BRExhaust
DIRECTFIT EXHAUST KIT 1217 FORD FOCUS
BRExhaust
DIRECTFIT EXHAUST SYSTEM 0507 FORD FOCUS 2.0L

BRExhaust
DIRECTFIT EXHAUST SYSTEM 0004 FORD FOCUS 2.0L

BRE EXHAUST
FRONT PIPE KIT - 00-04 FOCUS 2.0L

BRE EXHAUST
DIRECT-FIT PIPE - 03-09 FORD FOCUS

BRE EXHAUST
DIRECT-FIT EXHAUST SYSTEM REPLACEME

BRE EXHAUST
EXHAUST KIT 05-07 FORD FOCUS 2.0L
BRExhaust
DIRECTFIT EXHAUST KIT 0004 FOCUS

BRExhaust
DIRECTFIT EXHAUST KIT 1217 FORD FOCUS
BRE EXHAUST
FRONT PIPE KIT - 00-04 FOCUS 2.0L

BRExhaust
0004 FOCUS DIRECTFIT FRONT PIPE KIT
BRExhaust
DIRECTFIT EXHAUST KIT 0811 FORD FOCUS

BRE EXHAUST
DIRECT-FIT EXHAUST SYSTEM REPLACEME
Remus
Remus Ford Focus III RS type DYB 2016 Replacement Valved Muffler

CP-E (Custom Performance Engineering)
CP-E cp-e Spare Parts Assembly / Tip Clamp 2 Tips / Round 4.00 OD x 6.30 Long x 3.00 ID Inlet / Carbon Fiber / Slant Edge / Stainless 2 Clamps / Band Clamp 2.598 OD 2.519 Thru 2.677 ID

CP-E (Custom Performance Engineering)
cp-e QKspl Catted Downpipe Ford Focus RS 2016

CP-E (Custom Performance Engineering)
CP-E Wastegate 44mm 1.2 Bar (17.40 psi) Silver
CP-E (Custom Performance Engineering)
CP-E cp-e Spare Parts Assembly / Tip Clamp 2 Tips / Round 4.00 OD x 6.30 Long x 3.00 ID Inlet / Carbon Fiber / Rolled Edge / Stainless 2 Clamps / Band Clamp 2.598 OD 2.519 Thru 2.677 ID
CP-E (Custom Performance Engineering)
cp-e XcelNANO Short Ram Air Intake DFLow Black Mazdaspeed3 2007-2013
CP-E (Custom Performance Engineering)
cp-e Ford Focus ST 13- Austenite 3in Dual Cat Back Exhaust Two Stealth Pipes Dual 4in Adjustable T
SCE Gaskets
DYNO PAK FORD 2.0L ZETEC EXHAU ST

CP-E (Custom Performance Engineering)
cp-e Ford Focus ST 13- Austenite 3in Dual Cat Back Exhaust Two Stealth Pipes Dual 4in Adjustable T

CP-E (Custom Performance Engineering)
CP-E Wastegate 44mm 1.1 Bar (15.95 psi) Silver
CP-E (Custom Performance Engineering)
cp-e QKspl Downpipe Catted Ford Focus ST 2013
CP-E (Custom Performance Engineering)
cp-e Austenite Catback Exhaust 3in w/ Exhaust Valve Polished Tips Ford Mustang EcoBoost 2015

Edge Autosport
94- Ford Gas Evolution CTS3 Engine Programmer

Lokar
KIT; SS ADJUSTABLE CABLES AND CLAMPS FOR 1.875IN. PRIMARY AND 4.00IN. COLLECTORS

Dorman
CONVERTER

Extreme Turbo Systems
ETS Subaru WRX 22 Titanium Intake

Walker Exhaust
MANIFOLD CONVERTER- DF- EPA- ULTRA
Extreme Turbo Systems
ETS Subaru WRX 22 Titanium Intake

Walker Exhaust
RESONATOR ASSEMBLY - DOME

Dorman
MANIFOLD CONVERTER

PTP Turbo Blankets
PTP Turbo Blankets Ford 2.0L EcoBoost Lava Turbo Blanket 2013-2016

Walker Exhaust
MUFFLER-QUIET-FLOWSS-DOMS

Dorman
MANIFOLD CONVERTER

Extreme Turbo Systems
ETS Subaru WRX 22 Titanium Intake

Dorman
MANIFOLD CONVERTER
Walker Exhaust
CONVERTER-ULTRA DOMESTIC

Dorman
MANIFOLD CONVERTER
Tomei
Tomei FULL TITANIUM MUFFLER KIT REPAIR PART EXPREME Ti MAIN PIPE B

Hooker
70503347-RHKR

Dorman
MANIFOLD CONVERTER

Walker Exhaust
CONVERTER- UNIV.- EPA- UL

Walker Exhaust
PIPE - FRONT

Extreme Turbo Systems
ETS Subaru WRX 22 Titanium Intake

Extreme Turbo Systems
ETS Extreme Catback Exhaust System No Muffler Resonated Ford Focus RS 2016

Extreme Turbo Systems
ETS Catback Exhaust System Mufflered Non Resonated Ford Focus RS 2016
AP Exhaust Products
0007 FOCUS 2.0L/2.3L MUFFLER WELDED ASSEMBLY
Walker Exhaust
MANIFOLD CONVERTER- DF- E
Walker Exhaust
MANIFOLD CONVERTER - ULTR

Walker Exhaust
MUFFLER-QUIET-FLOWSS-DOMS

Tomei
Tomei FULL TITANIUM MUFFLER KIT REPAIR PART EXPREME Ti MAIN PIPE C

AP Exhaust Products
MUFFLER REAR ANSA OER
AP Exhaust Products
MUFFLER REAR ANSA OER
AP Exhaust Products
MUFFLER REAR ANSA OER

Walker Exhaust
RESONATOR ASMBLY-DOMESTIC
Walker Exhaust
CONVERTER-CALCAT-DIRECT FIT
Walker Exhaust
CONVERTER- CALCAT OBD2 DIRECT FIT
Walker Exhaust
CONVERTER- CALCAT OBD2 DIRECT FIT
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