K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 3.063in H - 66-3040

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and...

K&N X-Stream Top Assembly 5.125in Neck Flange / 14in D / 6.62in H w/Vent - 66-3030

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and...

K&N X-Stream Top Filter Black 14 inch OD 5.125 inch Neck Flange 5.875 inch H - 66-3020

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and...

K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 4.62in H w/Vent - 66-3010

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and...

K&N X-Stream Round Custom Top Assembly Filter - Red 12in ID 5.125in Inlet Dia 2.313in Height - 66-3000

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and...

K&N X-Stream Top Filter X-Stream 16in OD - Black - 66-1601

K&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just...

K&N X-Stream Top Filter X-Stream 14in OD - Red - 66-1401XR

K&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just...

K&N X-Stream Top Filter X-Stream 14 inch OD Chrome - 66-1401XP

K&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just...

K&N X-Stream Top Filter X-Stream 14in OD - Blue - 66-1401XB

K&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just...

K&N X-Stream Top Filter X-Stream 14 inch OD Black - 66-1401

K&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just...

K&N X-Stream Top Filter 14in OD Black Round Lid - 66-1400R

K&N XStream Air Flow Tops replace the top of your existing round filter thereby adding additional filter surface area for increased air flow. The addition also redirects the air flow inside the...

K&N X-Stream Top Filter Only 11in - Black - 66-1101

K&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just...