All Items

K&N Filter Universal Rubber Filter 20 Deg Flange Angle 2.25in Flange ID x 3.5in OD x 5in H

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the...

K&N Drycharger Air Filter Wrap-Round Tapered Black 4.75in Base ID x 4.5in Top ID x 4.75in H

The K&N Drycharger is a silicone treated, polyester wrap that is made to cover K&N Air Filters or Personal Watercraft Flame Arrestors. These Drychargers, which are similar to the K&N Prechargers, contain uniform micron sized openings that allow high air...

K&N Custom Round Racing Assembly Red 5.875in OD x 2.406in ID x 1.75in Height

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N Custom Air Filter kits are designed to allow the maximum performance from your carburetors, yet keep the dirt on the outside where it belongs. These assemblies come with custom chrome top...

K&N Spring Clip (6 Pack)

Spring clip clamps for K&N universal air box assemblies - K&N spring clips create a positive seal between the filter, base and top. This package contains 6 black clips that are 3/4 inches wide and 4.45 inches long.

K&N Custom Air Filter - Rectangular - 6.75in O/S Length x 4.5in O/S Width x 2.5in Height

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Custom Air Filter Round 2.875in ID x 3.875in OD x 2in Height

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and...

K&N Performance Intake Kit for Opel / Vauxhall / Alfa Romeo

The K&N 57S-4902 Performance Airbox replaces the restrictive factory air filter and air box. 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...

K&N Universal Tapered Filter 6in Flange ID x 7.5in Base OD x 5.875in Top OD x 6.5in Height

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the...

K&N Universal Tapered Filter 6in Flange ID x 7.5in Base OD x 5in Top OD x 8in Height

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the...

K&N Universal Tapered Filter 3.5in Flange ID x 5.5in Base OD x 4in Top OD x 8in Height

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the...

K&N BMW 2-3-4 Series N20 Engine Performance Air Intake System

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...

K&N Universal Air Filter 4in Flange / 5-3/8in Base / 4-1/2in Top / 6in Height

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the...