New 12 Inch Long Cone Air Filter Adds to Already Huge Universal Air Filter Selection

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K&N Universal Filter RC-5171
K&N Universal Air Filter RC-5171
There is a great deal of engineering behind every K&N Filter. K&N Engineering makes universal air filters for just about any need, from racing vehicles to air compressors. Regardless of the shape or size, K&N probably has a universal air filter for your equipment.

The new RC-5171 is constructed with an ultra-strong pliable rubber flange which absorbs vibration and allows for secure attachment. K&N universal air filter flanges can stretch for up to 1/16 inch (1.5mm) to fit in-between sizes. The black powder coated filter top has a threaded stud for secure mounting.

The RC-5171 is 12 in. (305mm) in length with an outside base diameter of 8 in. (203mm) and a top outside diameter of 6.625 in. (168mm). The flange length is 1.5 inches (38 mm) which allows plenty of room to clamp around many engine intakes.

K&N Universal Air Filters are ideal for extended use in dirty and dusty conditions. The RC-5171, like all K&N Universal Filters, is a washable and reusable filter. It is designed to provide low restriction while providing excellent motor protection.

Find K&N Universal Air Filters for your needs using the Universal Air Filter Search by Dimension on To find any K&N product for your vehicle use the Application Search.

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K&N Engineering, Inc., with headquarters in Riverside, California, has been the world's leader in performance filter technology since 1969, serving the needs of the automotive, motorcycle, marine, industrial and military markets. K&N is heavily involved in nearly every form of motorsports from off-road and powersports to drag racing, stock cars and road racing. For more information about K&N Filters, please contact K&N Engineering, Inc., P.O. Box 1329, Riverside, CA 92502-1329, (800) 213-4182 for a dealer near you, (800) 858-3333 for technical service/questions, (951) 826-4001 Fax, e-mail, or visit