K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 4.62in H w/Choke - 66-3210

K&N XStream Air Flow Assemblies add surface area and redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. The washable and reusable...

K&N X-Stream Top Assembly 9in OD / 5-1/8in Flange / 2-3/4 Velocity Stack - 66-3160

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 - Red - Size 9in - 5.125in Neck Flange / 2.75in Height - 66-3150

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 Red 11in / 5.125in Neck Flange / 4.37in Height - 66-3120

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 Red 11in / 5.125in Neck Flange / 3.5in Height - 66-3110

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 Red 14in OD / 7.313in Neck Flange / 5.5in Height - 66-3080

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 5-1/8in x 14in x 4.75in H x 1.25in Drop Base - 66-3070

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 Flange ID / 14inx3.75in H / 1.25in Drop B - 66-3060

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 5.125in Flange 14x3.12in Height 0.875in Drop Base - 66-3050

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 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...