Aftermarket Ford Focus ST 2018 Cold-Air Intakes for Replacement & Mods

K&N Cold Air Intake Kit: High Performance, Increase Horsepower: Compatible with 2013-2018 FORD (Focus ST) 69-3518TS

- ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.

- GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube

- BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.

Check price on

ROUSH 422065 2013-2018 Focus ST and RS 2.0 Liter Cold Air Intake System

- Fits 2013-2018 Focus ST and 2016-2018 Focus RS

- Installation is quick and simple, installing in less than one hour with basic tool

- Includes premium high-flow air filter that is re-usable simply by washing and oiling

Check price on

K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: Fits 2007-2018 FORD/VOLVO/MAZDA (C-Max, Focus, Grand, Transit, Kuga, Tourneo, V40, V70, C30, S40, V50, C70, 3, 5)57S-4000

- ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.

- GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube

- BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.

Check price on

- Increased horsepower

- Heat shield with edge trim lining

- Low restriction aluminum tubing

Check price on

K&N Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-9289

- ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehic...

- EASY INSTALLATION: Pre-oiled and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains

Check price on