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54 Series Flexible Hose Kit; K&N's flexible hose kit is for use on the 54 Series Universal Air Intake System. One end of the hose is directed toward cooler outside air while the other end connects directly onto the 54 Series intake housing.

Performance Air Intake System; K&N's roto-molded cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty.

Performance Air Intake System; K&N's mandrel-bent aluminum cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty.

Performance Intake Kit; K&N's 57i induction kits are easy to install, economical, and come with K&N's Million Mile Limited Warranty. They consist of a large washable/reusable K&N air filter with adapters for connection to the engine's throttle body.

Performance Intake Kit; K&N's easy to install air intake systems replace the restrictive factory air filter and air intake housing allowing for virtually unrestricted air flow. K&N air intakes come with K&N's famous million mile limited warranty.

Performance Air Intake System; K&N FIPK Air Intakes for select Harley-Davidson Touring, Softail, Twin-Cam & Sportster motorcycle models increase power by eliminating the restrictive stock air cleaner and replacing it with a low restriction intake.

Performance Air Intake System; K&N's roto-molded cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty.

Performance Intake Kit; K&N's 57i induction kits are easy to install, economical, and come with K&N's Million Mile Limited Warranty. They consist of a large washable/reusable K&N air filter with adapters for connection to the engine's throttle body.

Performance Intake Kit; K&N's easy to install air intake systems replace the restrictive factory air filter and air intake housing allowing for virtually unrestricted air flow. K&N air intakes come with K&N's famous million mile limited warranty.

Performance Air Intake System; K&N's roto-molded cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty.

Performance Air Intake System; K&N's roto-molded cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty.

Performance Air Intake System; K&N's roto-molded cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty.