K&N Releases a New Round Custom Air Filter with a 9 Inch Diameter

       Printer Image
K&N manufactures a wide variety of custom air filters designed to fit your specific needs.
K&N's E-3551 round custom air filter.
K&N's E-3551 round custom air filter.

K&N has released a round custom air filter (E-3551) that is designed for increased airflow as well as excellent engine protection. This air filter is designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life. The E-3551 has an outside diameter of nine inches and an inside diameter of eight inches in addition to a height of 3.5 inches. The E-3551 can be used with K&N nine inch stainless steel custom assemblies.

K&N has been making washable/reusable performance motorcycle and ATV air filters since 1969. K&N custom air filters feature an oiled cotton media and are backed by our one-year limited warranty.

Find K&N products for your vehicle using the K&N application search then use the K&N dealer search to find a K&N dealer in your part of the world.

Horizontal Advertisement

Did you like this story? Select 1 to 5 stars to rate it.

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