K&N Performance Air Intake System (30-9036) Ford > Focus > Mk1 1998-2004 > RS Inside diameter: 83mm (3 1/4")

Inside diameter: 83mm (3 1/4")

Durable polyurethane bushes that reduce flex and provide a firmer

Please confirm with your vehicle registration or VIN to ensure fitment

has a better effect on performance when cool

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K&N Performance Air Intake System (30-9036) Ford > Focus > Mk1 1998-2004 > RS Inside diameter: 83mm (3 1/4")The K&N DRYFLOW Air Intake System replaces your vehicles restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your vehicles engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engines RPM range. The DRYFLOW Air Intake System features an oil