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.
Walker Exhaust
Muffler: Variuos Makes and Models; assembly

AP Exhaust Products
0007 FOCUS 2.0L/2.3L MUFFLER WELDED ASSEMBLY

Dorman
MANIFOLD CONVERTER
Walker Exhaust
CONVERTER- DF- EPA- ULTRA

AP Exhaust Products
MUFFLER CENTER ANSA OER

Walker Exhaust
MUFFLER ASSEMBLY - QUIET-

AP Exhaust Products
PREBENT PIPE

Walker Exhaust
Muffler: Quiet Flow Muffler

Walker Exhaust
RESONATOR ASSEMBLY - DOME

AP Exhaust Products
0004 FOCUS 2.0L PREBENT EXHAUST PIPE

Walker Exhaust
MUFFLER - SOUND FX - DOME

Xforce
1618 FOCUS RS AWD TURBO SS 3IN CAT BACK SYS W/ VAREX REAR MUFFLER & SMARTBOX CO
Walker Exhaust
MUFFLER-QUIET-FLOWSS-DOME
Walker Exhaust
MUFFLER-QUIET-FLOWSS-DOME

Dorman
MANIFOLD CONVERTER - CARB COMPLIANT

Walker Exhaust
MANIFOLD CONVERTER - ULTR

Walker Exhaust
Muffler: Variuos Makes and Models; assembly

Xforce
1318 FOCUS ST FWD BLUE TIP OPTION (FOR XFORCE SYS ONLY WILL NOT FIT OEM)
Tomei
FULL TITANIUM MUFFLER KIT EXPREME Ti FOCUS ST 2013-2018

PTP Turbo Blankets
Ford 2.3L EcoBoost Lava Turbo Blanket

Xforce
1318 FOCUS ST FWD BLACK TIP OPTION (FOR XFORCE SYS ONLY WILL NOT FIT OEM)

Xforce
1618 FOCUS RS AWD TURBO SS 3IN CAT BACK SYS W/ VAREX REAR MUFFLER

Walker Exhaust
Exhaust Pipe: Exhaust Pipe

Walker Exhaust
MANIFOLD CONVERTER - ULTR

Walker Exhaust
CONVERTER

Walker Exhaust
MUFFLER-QUIET-FLOWSS-DOME

Walker Exhaust
CONVERTER-DIRECT FIT

Walker Exhaust
Exhaust Pipe: Exhaust Pipe

Extreme Turbo Systems
ETS Extreme Cat Back Exhaust System Non Resonated w/ Brushed Tips Ford Focus RS 2016
Tomei
Tomei FULL TITANIUM MUFFLER KIT REPAIR PART EXPREME Ti SILENCER
Extreme Turbo Systems
ETS Catted Downpipe Direct Fit Ford Focus RS

Extreme Turbo Systems
ETS Catback Exhaust System 2016 Ford Focus RS

AP Exhaust Products
1218 FOCUS MUFFLER WELDED ASSEMBLY
AP Exhaust Products
MUFFLER WELDED ASSEMBLY
Extreme Turbo Systems
ETS Subaru WRX 22 Titanium Intake

Borla
1618 FOCUS RS 2.3L MT AWD 5DR HATCH 3IN 2.25IN STYPEBLACK CHROME

Magnaflow
CALIFORNIA MANIFOLD CATALYTIC CONVE

Stainless Works
Stainless Works 2013-2018 Focus ST Stainless Works 3 Cat-Back Dual-Exit Exhaust System w/ Round Tips

Magnaflow
BRExhaust Direct-Fit Front Pipe Kit

Magnaflow
Direct-Fit Pipe - 03-09 Ford Focus
Magnaflow
Direct-Fit Pipe - 00-04 Ford Focus 2.0L

Ford Racing
FOCUS RS QUAIFE TORQUE BIASING DIFF
Borla
FOCUS RS 1618 2.3L MT AWD 5DR HATCH 3IN 2.25IN STYPE CARBON FIBER TIP
Borla
1618 FOCUS RS 2.3L MT AWD 5DR HATCH 3IN 2.25IN STYPE S RD RL AC SR TIP 4.0IN RD X 8.0IN

Stainless Works
Stainless Works 2013-2018 Focus ST Stainless Works 3 Cat-Back Exhaust System w/ Wide Tip

Magnaflow
FOCUS DIRECT FIT CATALYTIC CONVERTER

Magnaflow
FOCUS DIRECT FIT CATALYTIC CONVERTER
Magnaflow
Direct-Fit Pipe - 00-04 Ford Focus 2.0L
Magnaflow
OEM Grade Direct-Fit Catalytic Converter

Magnaflow
DF CONVERTER

Magnaflow
DF CONVERTER

Ford Racing
FOCUS RS REAR SPOILER KIT

Borla
Borla 13-16 Ford Focus ST 5dr Hatchback Catback Exhaust

Stainless Works
Stainless Works 1-7/8in Four-Way Short Merge Collector

Magnaflow
BRExhaust 08-11 Ford Focus 2.0L Exhaust Kit

Magnaflow
BRExhaust 12-18 Ford Focus 2.0L Exhaust Kit

Magnaflow
BRE Exhaust 00-04 Focus 2.0L Front Pipe Kit

Magnaflow
BRE Exhaust 00-04 Focus 2.0L Front Pipe Kit

Magnaflow
BRE Exhaust 05-07 Focus 2.0L Front Pipe Kit
Victor Reinz
MAHLE Original 12-18 Ford 2.0L DOHC 16V L4 Exhaust Manifold Gasket
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