K&N Engineering

K&N Custom XD Air Filter - Round 14in OD x 5in H - E-3978XD

K&N XD air filters use a Deep Pile Design, Extra Fine Weave Grade Cotton and alternate geometries for added efficiency and capacity for off-road conditions. This extra thick filtering medium provides...

K&N Unique Air Filter - Replacement Element for RK-3931 - E-3975

The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable...

K&N Custom Air Filter - Round 4-5/8in ID x 6in OD x 2-3/4in H - E-3971

K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with...

K&N Custom Air Filter - Rectangular - 6.75in O/S Length x 4.5in O/S Width x 2.5in Height - E-3952

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N 17in OD / 14-1/2in ID / 6in Height Round Air Filter - E-3816

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N 16-1/4in OD / 14-1/2in ID / 3-1/2in Height Round Air Filter - E-3804

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter 14in OD / 12in ID / 6in Height - E-3770

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Replacement Drop In Air Filter - 14in OD / 12in ID / 5in H w/Inner Wire - E-3760

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Replacement Drop In Air Filter - 14in OD / 12in ID / 4in H w/ Wire - E-3750

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter 14in OD / 12in ID / 3.5in Height Round Filter - E-3745

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter 14in OD / 12in ID / 3.0625in Height Round Filter - E-3743

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Round Air Filter 14in OD / 12in ID / 2.313in Height - E-3740

The K&N E-3740 replacement air filter is designed to increase horsepower and acceleration by reducing restriction and increasing air flow to your engine. The E-3740 is made with oiled layers of woven...

K&N Custom Air Filter 14in. OD 12 11/16in. ID 3in. Height - E-3737

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter 14 inch OD 12 11/16 inch ID 2 1/2 inch Height - E-3735

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Round Air Filter 14in OD 12in ID 4in Height - E-3730

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Replacement Air Filter Round 11in OD 9-1/4in ID 6in H - E-3690

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Universal Oval Air Filter 12in Length x 5-1/4in Width x 3-1/4in Height - E-3671

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Replacement Air Filter Round 9in OD 7-1/2in ID 5in H - E-3650

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Universal Round Air Filter 9in OD / 7-1/2in ID / 4in Height - E-3640

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter Round 9in OD x 8in ID x 2.87in H - E-3530

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Oval Air Filter 7.75in OW X 14.625in OL x 2in H - E-3515

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Oval Air Filter 7.75in OW X 14.625in OL x 4in H - E-3514

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter - Round 5-5/16in OD 4-1/16in ID 2-3/8in H - E-3506

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Custom Air Filter - Oval - 11.5in O/S L x 8.125in O/S W x 2in H - E-3505

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...