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.

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Verified Fitment

Ford Focus Category exhaust Parts

322 parts available

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

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W

Walker Exhaust

Muffler: Variuos Makes and Models; assembly

AP Exhaust Products muffler

AP Exhaust Products

0007 FOCUS 2.0L/2.3L MUFFLER WELDED ASSEMBLY

Dorman auto part

Dorman

MANIFOLD CONVERTER

W

Walker Exhaust

CONVERTER- DF- EPA- ULTRA

MUFFLER CENTER ANSA OER

AP Exhaust Products

MUFFLER CENTER ANSA OER

MUFFLER ASSEMBLY - QUIET-

Walker Exhaust

MUFFLER ASSEMBLY - QUIET-

PREBENT PIPE

AP Exhaust Products

PREBENT PIPE

Muffler: Quiet Flow Muffler

Walker Exhaust

Muffler: Quiet Flow Muffler

RESONATOR ASSEMBLY - DOME

Walker Exhaust

RESONATOR ASSEMBLY - DOME

0004 FOCUS 2.0L PREBENT EXHAUST PIPE

AP Exhaust Products

0004 FOCUS 2.0L PREBENT EXHAUST PIPE

MUFFLER - SOUND FX - DOME

Walker Exhaust

MUFFLER - SOUND FX - DOME

Xforce muffler

Xforce

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

W

Walker Exhaust

MUFFLER-QUIET-FLOWSS-DOME

W

Walker Exhaust

MUFFLER-QUIET-FLOWSS-DOME

Dorman auto part

Dorman

MANIFOLD CONVERTER - CARB COMPLIANT

Walker Exhaust auto part

Walker Exhaust

MANIFOLD CONVERTER - ULTR

Walker Exhaust muffler

Walker Exhaust

Muffler: Variuos Makes and Models; assembly

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

Xforce

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

T

Tomei

FULL TITANIUM MUFFLER KIT EXPREME Ti FOCUS ST 2013-2018

Ford 2.3L EcoBoost Lava Turbo Blanket

PTP Turbo Blankets

Ford 2.3L EcoBoost Lava Turbo Blanket

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

Xforce

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

Xforce muffler

Xforce

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

Exhaust Pipe: Exhaust Pipe

Walker Exhaust

Exhaust Pipe: Exhaust Pipe

Walker Exhaust auto part

Walker Exhaust

MANIFOLD CONVERTER - ULTR

Walker Exhaust auto part

Walker Exhaust

CONVERTER

Walker Exhaust muffler

Walker Exhaust

MUFFLER-QUIET-FLOWSS-DOME

Walker Exhaust auto part

Walker Exhaust

CONVERTER-DIRECT FIT

Exhaust Pipe: Exhaust Pipe

Walker Exhaust

Exhaust Pipe: Exhaust Pipe

Extreme Turbo Systems cat-back exhaust

Extreme Turbo Systems

ETS Extreme Cat Back Exhaust System Non Resonated w/ Brushed Tips Ford Focus RS 2016

T

Tomei

Tomei FULL TITANIUM MUFFLER KIT REPAIR PART EXPREME Ti SILENCER

E

Extreme Turbo Systems

ETS Catted Downpipe Direct Fit Ford Focus RS

Extreme Turbo Systems cat-back exhaust

Extreme Turbo Systems

ETS Catback Exhaust System 2016 Ford Focus RS

AP Exhaust Products muffler

AP Exhaust Products

1218 FOCUS MUFFLER WELDED ASSEMBLY

A

AP Exhaust Products

MUFFLER WELDED ASSEMBLY

E

Extreme Turbo Systems

ETS Subaru WRX 22 Titanium Intake

Borla black auto part

Borla

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

Magnaflow auto part

Magnaflow

CALIFORNIA MANIFOLD CATALYTIC CONVE

Stainless Works cat-back exhaust

Stainless Works

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

Magnaflow exhaust

Magnaflow

BRExhaust Direct-Fit Front Pipe Kit

Magnaflow auto part

Magnaflow

Direct-Fit Pipe - 03-09 Ford Focus

M

Magnaflow

Direct-Fit Pipe - 00-04 Ford Focus 2.0L

Ford Racing auto part

Ford Racing

FOCUS RS QUAIFE TORQUE BIASING DIFF

B

Borla

FOCUS RS 1618 2.3L MT AWD 5DR HATCH 3IN 2.25IN STYPE CARBON FIBER TIP

B

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 cat-back exhaust

Stainless Works

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

Magnaflow auto part

Magnaflow

FOCUS DIRECT FIT CATALYTIC CONVERTER

Magnaflow auto part

Magnaflow

FOCUS DIRECT FIT CATALYTIC CONVERTER

M

Magnaflow

Direct-Fit Pipe - 00-04 Ford Focus 2.0L

M

Magnaflow

OEM Grade Direct-Fit Catalytic Converter

Magnaflow auto part

Magnaflow

DF CONVERTER

Magnaflow auto part

Magnaflow

DF CONVERTER

Ford Racing auto part

Ford Racing

FOCUS RS REAR SPOILER KIT

Borla cat-back exhaust

Borla

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

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

Stainless Works

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

Magnaflow exhaust

Magnaflow

BRExhaust 08-11 Ford Focus 2.0L Exhaust Kit

Magnaflow exhaust

Magnaflow

BRExhaust 12-18 Ford Focus 2.0L Exhaust Kit

Magnaflow exhaust

Magnaflow

BRE Exhaust 00-04 Focus 2.0L Front Pipe Kit

Magnaflow exhaust

Magnaflow

BRE Exhaust 00-04 Focus 2.0L Front Pipe Kit

Magnaflow exhaust

Magnaflow

BRE Exhaust 05-07 Focus 2.0L Front Pipe Kit

V

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