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Home / Intake & Filtration / Air Filters - Universal Fit / K&N Universal Air Filter - Round Tapered 4in Flange ID / 5.375in Base OD / 4in Top OD / 5.5in H
K&N Universal Air Filter - Round Tapered 4in Flange ID / 5.375in Base OD / 4in Top OD / 5.5in H
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K&N Engineering

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

PART RP-4660CATEGORY Air Filters - Universal Fit
$209.99
$209.99
1

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Product information

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Supplier details checked 2026-09-23 · Test catalog

Some supplier details are unavailable for this product.

Product description

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.

Universal Air Filter - Carbon Fiber Top

Universal Air Filter-Carbon Fiber Top

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

Features

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

One Year Limited Warranty

Manufacturer notes

Associated products: 99-5000 Filter Care Service Kit Aerosol

Supplier category
Air Filters
Supplier subcategory
Air Filters - Universal Fit
UPC / barcode
024844086778
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
Yes
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information

Other product descriptions

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

Universal Air Filter

Universal Filter

About the manufacturer

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.

Additional manufacturer information

Engine Air Filter

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K&N Universal Air Filter - Round Tapered 4in Flange ID / 5.375in Base OD / 4in Top OD / 5.5in H | Q40 Motorsports