K&N Engineering KN Universal Air Filter - RP-4660

The RP-4660 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top for strength and durability. The carbon fiber element adds to the light-weight design and gives this filter a smooth glass like finish. The RP-4660 is a clamp-on filter that has an inside flange diameter of 4 inches and a flange length of 5/8 inches. The base is 5 3/8 inches and the filter height is 5 1/2 inches.

K&N Composite Top Universal Air Filters - With advanced composite technology, carbon fiber provides the ultimate in strength with minimal weight. Carbon fiber provides 1/3 less weight than a conventional filter top.

K&N Universal Air Filter - Round Tapered 4in Flange ID / 5.375in Base OD / 4in Top OD / 5.5in H

Pliable flanges absorb vibration and can be stretched up to 1/16 In. to fit in-between sizes

Universal Air Filter - Carbon Fiber Top

Universal Air Filter-Carbon Fiber Top

4in.FLG; 5-3/8in.B; 4in.T; 5-1/2in.H

One Year Limited Warranty

Universal Air Filter

Engine Air Filter

Universal Filter