FORD FOCUS II RS
GUARANTEED INCREASE IN HORSEPOWER & TORQUE: K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool,
K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 16HP: Compatible with 1.6L, L4, 2007-2018
The K&N 57S-4000 Performance Airbox replaces the restrictive factory air filter and air box lid. K&N performance air boxes are designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range.
K&N 57S-4000 Performance Intake Kit
K&N 12 - 16 Ford Focus 2.0L Typhoon Performance Intake - SPEED PERF6RMANC3
Reviews - KN Performance Air Intake System (57S-4000)
Enhance Your Car's Performance with KN 699756TFK 69 Series Typhoon Black Electronically Tuned Intake System
K&N Produces 57S Performance Airbox System for Volvo V70, V40, C30, Ford Kuga, Grand C-Max and More
Ford Focus Air Intake
K&N Performance Intake Kit for Ford C-Max/Focus II – Extreme Performance & Offroad
Focus RS Intake Thread
