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.

AWE Tuning
AWE Tuning 16-18 Ford Focus RS Track to Touring Conversion Kit

AWE Tuning
AWE Tuning Ford Focus ST Touring Edition Cat-back Exhaust - Resonated - Chrome Silver Tips

AWE Tuning
AWE Tuning Ford Focus ST Touring Edition Cat-back Exhaust - Resonated - Diamond Black Tips
AWE Tuning
AWE Tuning SwitchPath Remote

Victor Reinz
MAHLE Original Ford Escort 02-81 Exhaust Manifold Set

Victor Reinz
MAHLE Original Ford Escape 04-01 Exhaust Pipe Gasket

Torque Solution
Torque Solution Exhaust Mount Kit: Ford Focus 2000-2010

AWE Tuning
AWE Tuning Ford Focus RS Touring Edition Cat-back Exhaust - Non-Resonated - Diamond Black Tips

AWE Tuning
AWE Tuning Ford Focus ST Track Edition Cat-Back Exhaust - Diamond Black Tips

AWE Tuning
AWE Touring to Track Conversion Kit for Ford Focus ST (MK3)

AWE Tuning
AWE Tuning Ford Focus ST Touring Edition Cat-back Exhaust - Non-Resonated - Chrome Silver Tips

AWE Tuning
AWE Tuning 16-18 Ford Focus RS Hatchback 2.3L Turbo (Manual) Touring to Track Conversion Kit
Remus
Remus Ford Focus III St Type Dyb 2012 2.0L Ecoboost 184 kw (R9Da/R9Db/R9Dc) Cat Back

Victor Reinz
MAHLE Original Ford Focus 04-02 Exhaust Pipe Gasket

AWE Tuning
AWE Tuning Ford Focus RS Touring Edition Cat-back Exhaust - Resonated - Diamond Black Tips

AWE Tuning
AWE Tuning Ford Focus RS SwitchPath Cat-back Exhaust - Chrome Silver Tips

AWE Tuning
AWE Tuning Ford Focus RS Touring Edition Cat-back Exhaust- Non-Resonated - Chrome Silver Tips

Stainless Works
Stainless Works 2016-18 Ford Focus RS 3in High-Flow Cats Downpipe Factory Connection

Magnaflow
MagnaFlow 2000-2004 Ford Focus OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

Injen
Injen 13--19 Ford Focus ST 2.0L (t) 3.00in Cat-Back Stainless Steel Exhaust System w/Titanium Tip

Mishimoto
Mishimoto 13-18 Ford Focus ST Turbo Blanket

Magnaflow
MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter 51105

Magnaflow
MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter 99204HM

Magnaflow
MagnaFlow 2000-2002 Ford Focus California Grade CARB Compliant Direct-Fit Catalytic Converter

MBRP
MBRP 2016+ Ford Focus RS 3in Aluminized Dual Outlet Cat-Back Exhaust

Magnaflow
MagnaFlow 2012-2018 Ford Focus OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

Borla
Borla 12-16 Ford Focus SE Hatchback w/o Sport Package 2.0L 4cyl SS Catback Exhaust

Magnaflow
MagnaFlow 2003-2004 Ford Focus HM Grade Federal / EPA Compliant Manifold Catalytic Converter

Ford Racing
Ford Racing 2016-2017 Focus RS Active Sport Cat-Back Exhaust System w/ Polished Tips

Magnaflow
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441404

Magnaflow
Magnaflow Converter Universal CARB Compliant 2.25in Inlet 2.25in Outlet 16in Length

Magnaflow
MagnaFlow Conv Univ 2.25in Inlet/Outlet Center/Center Round 11in Body L x 5.125in W x 15in Overall L

MBRP
MBRP 13-17 Ford Focus ST 2.0L EcoBoost Dual Center Outlet T409 3in Cat Back w/ Black Tips

Magnaflow
MagnaFlow 2008-2011 Ford Focus OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

Magnaflow
MagnaFlow 2003-2004 Ford Focus OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

Magnaflow
MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter 51004

Magnaflow
MagnaFlow 2000-2004 Ford Focus HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

Magnaflow
MagnaFlow 2016-2018 Ford Focus OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

Stainless Works
Stainless Works 2013-18 Ford Focus ST 3in High-Flow Cats Downpipe Factory Connection

MBRP
MBRP 13-14 Ford Focus ST 2.0L EcoBoost Dual Center Outlet T409 3in Cat Back

Borla
Borla 16-17 Focus RS Turbocharged 2.3L Single Split Exit ATAK Catback Exhaust

COBB
Cobb Ford 2.0L Ecoboost Turbo Blanket

Stainless Works
Stainless Works 2013-18 Ford Focus ST 3in Catback Vintage Round Muffler Wide Tip

Magnaflow
MagnaFlow 2000-2004 Ford Focus OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

COBB
Cobb 16-18 Ford Focus RS SS 3in Catback Exhaust

Magnaflow
MagnaFlow OEM Grade Federal / EPA Compliant Universal Catalytic Converter 51206

Magnaflow
MagnaFlow 2002-2004 Ford Focus OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

Borla
Borla 16-18 Ford Focus RS 2.3L MT AWD ATAK Catback Exhaust w/ Black Chrome Tip

Magnaflow
MagnaFlow 2003-2011 Ford Focus OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

Magnaflow
MagnaFlow Conv Univ 2.25in Inlet/Outlet Center/Center Round 9in Body L x 5.125in W x 13in Overall L

Injen
Injen 16-18 Ford Focus RS 3in Cat-Back Stainless Steel Exhaust w/ 4in Black Chrome Tips

Magnaflow
MagnaFlow Standard Grade Federal / EPA Compliant Universal Catalytic Converter 53104

Magnaflow
MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter 99355HM

Borla
Borla 12-15 Ford Focus Titanium/SEL/SE/S Sedan 4dr 2.0L 4cyl AT Dual Clutch 6spd/MT 5spd SS Catback

MBRP
MBRP 13-14 Ford Focus ST 2.0L EcoBoost Dual Center Outlet AL 3in Cat Back

Magnaflow
MagnaFlow 13 Ford Focus 2.0L Turbocharged ST Dual Center Rear Exit Stainless Cat Back Perf Exhaust

Ford Racing
Ford Racing 2013-15 Focus ST Cat-Back Exhaust System (No Drop Ship)

Magnaflow
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441104

Magnaflow
MagnaFlow HM Grade Federal / EPA Compliant Universal Catalytic Converter 99105HM

Magnaflow
MagnaFlow 2005-2007 Ford Focus HM Grade Federal / EPA Compliant Manifold Catalytic Converter
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