Focus ST/RS Parts

Clayton Performance is proud to announce our new and improved turbo line kit! This kit features a few notable improvements vs. our competition, and...

***These plugs are recommended for built motor high boost applications*** The NGK R7448A-8 Racing spark plugs have a colder heat range compared to ...

Tial Q Blow-off valve. Newer version of the popular Tial 50mm valve. Uses same weld flanges. Specify Color, Spring Pressure and Flange material op...

These fit any 13-18 focus with an H1 bulb for their high beam, plug and play design, unplug your old halogen bulbs and replace with HSF led bulbs. ...

This is a direct bolt on crash bar replacement for the bulky OEM bumper bar. This crash bar will improve airflow to your radiator and intercooler w...

By using this test pipe, back pressure is hugely reduced, which effectively improves the engine’s breathing by allowing it to expel gases more quic...

Stainless v-band adapter for the Focus ST external wastegate kit. Downpipe side. TiAL v-band to Focus ST v-band.

This kit is for the 2013-2018 Ford Focus ST and Ford Focus RS. It is designed to replace the plastic coolant tank found at the front right of the e...

Direct bolt-on replacement 2.5" piping in wrinkle black finish Mandrel-bent aluminum construction features significantly improved thermal cap...

Supports   EcoBoost 2.0T/2.3T powered vehicles E85 blended fuel Full E85 (OEM LPFP needs to upgrade past 400whp) Over 650 WHP (can upgrade to lar...

Lock in those stubborn front fender liners from popping out & rubbing your paint clean off! Leave your wheel arch's lookin' fresh!

This kit is used in both the Ford Focus ST and RS models with the turbocharged EcoBoost engine. It mounts on the front left core support near the r...

Whiteline is a world-renowned brand that is known for creating replacement performance suspension parts for various vehicle platforms. It provides ...

***Please contact us for custom spring rates and/or swift springs*** BC Racing BR Series Coilovers for the 2013-2018 Ford Focus ST (MK3) offer the ...

The Damond Motorsports Oil Catch Can kits come with everything needed for an optimized Oil Catch Can system. An oil catch can is, in a sense, a fil...

Looking to get a little more out of your Focus RS? This kit allows you to run a larger 63mm Ford throttle body commonly used on the 2.3 Ecoboost Mu...

Get rid of that squishy brake pedal and increase pedal feel with this easy to install brake master cylinder brace! When braking hard, the mast...

Introducing the Clayton Performance stock placement turbo kit for the Focus ST! All of our kits are build per order and build time is approximately...

The Damond Motorsports Sound Symposer Vacuum Block and Delete kit for the Focus ST, is an all comprehensive kit, to remove the factory sound sympos...

AIRTEC Motorsport rear diff cooler. Designed to lower temperatures of the rear differential, AIRTEC Motorsport are proud to offer a rear diff coole...

2013 - 2018 Ford Focus ST transmission mount by AWR Racing. This mount is a must have for any ST owner. Want less engine movement, cleaner shifts,...

Your new Focus RS comes with some really great bells and whistles, but the factory OEM blow off valve isn't one of them. The standard blow off valv...

Here, you are looking at the cp-e Exhale Hard Pipe to Throttle Body Kit. This particular kit will come with the Tial BOV Flange for those of you wh...