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 reusable, the XStream Air Flow Top filter delivers the best...

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 reusable, the XStream Air Flow Top filter delivers the best...

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 reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Assembly 7.313in Flange ID / 11in x 4.5in Custom Assembly - 66-3140

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 reusable, the XStream Air Flow Top filter delivers the best...

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 reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Assembly 9n OD 7.313in Neck Flange 3in H - 66-3330R

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit specific scoop designs popular to drag racing today...

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 reusable, the XStream Air Flow Top filter delivers the best...

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 filter to pull in more air for even greater performance...

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 reusable, the XStream Air Flow Top filter delivers the best...

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 like other K&N Air Filters.Installation Instructions

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 reusable, the XStream Air Flow Top filter delivers the best...

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 reusable, the XStream Air Flow Top filter delivers the best...