57S-4000 K&N Performance Air Intake System

4.6 (745) · € 138.00 · En stock

FORD FOCUS II RS

Version: 57i II Series; Item number: 57S-4000; Our price: £ 201,13; Manufacturer: K&N Filters; EAN number: 24844282903

K&N Filters 57S-4000 Air Intake System

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K&N 57S-2001 Performance Air Intake System

K&N Performance Intake Kit for Ford C-Max/Focus II / Volvo C30/S40/V40/V50/V70 / Mazda 3/5 - 57S-4000

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K&N Performance Intake Kit for Ford C-Max/Focus II / Vo - 57S-4000 – throtl

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, Performance air intake system 57-2556

The K&N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your engine to inhale more air than with the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. A fully enclosed injection molded air box connects to the factory air intake hose.